Y5U
  -OEChem-09132412573D

 45 49  0     0  0  0  0  0  0999 V2000
    8.5050    1.2810   -0.0040 C   0  0  0  0  0  0  0  0  0  0  0  0
    7.2850    0.4460   -0.0030 C   0  0  0  0  0  0  0  0  0  0  0  0
    7.3950   -0.9500   -0.0010 C   0  0  0  0  0  0  0  0  0  0  0  0
    6.2800   -1.7330   -0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.0080   -1.1430   -0.0010 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.8820   -0.6690   -0.0020 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.4280   -0.8390   -0.0020 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.6940   -1.9880    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.6850   -1.9890   -0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.4200   -0.8400   -0.0020 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.8740   -0.6720   -0.0020 C   0  0  0  0  0  0  0  0  0  0  0  0
   -4.9990   -1.1480    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -6.2710   -1.7390   -0.0010 C   0  0  0  0  0  0  0  0  0  0  0  0
   -7.3860   -0.9580   -0.0020 C   0  0  0  0  0  0  0  0  0  0  0  0
   -7.2780    0.4390   -0.0010 C   0  0  0  0  0  0  0  0  0  0  0  0
   -8.4980    1.2740   -0.0020 C   0  0  0  0  0  0  0  0  0  0  0  0
   -6.0230    1.0430   -0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -4.8840    0.2560    0.0010 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.8910    0.2610   -0.0020 C   0  0  0  0  0  0  0  0  0  0  0  0
    6.0290    1.0490    0.0020 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.0040    0.5400    0.0050 Se  0  0  0  0  0  0  0  0  0  0  0  0
    8.4040    2.5810   -0.0060 N   0  0  0  0  0  0  0  0  0  0  0  0
    9.7480    0.6860    0.0030 N   0  0  0  0  0  0  0  0  0  0  0  0
    3.7600   -1.6490   -0.0010 N   0  0  0  0  0  0  0  0  0  0  0  0
   -3.7510   -1.6530    0.0010 N   0  0  0  0  0  0  0  0  0  0  0  0
   -8.3990    2.5730   -0.0010 N   0  0  0  0  0  0  0  0  0  0  0  0
   -9.7410    0.6770   -0.0030 N   0  0  0  0  0  0  0  0  0  0  0  0
   -3.5300    0.5340    0.0020 N   0  0  0  0  0  0  0  0  0  0  0  0
    3.5370    0.5370   -0.0030 N   0  0  0  0  0  0  0  0  0  0  0  0
    8.3720   -1.4110   -0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
    6.3760   -2.8090    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.2140   -2.9350    0.0020 H   0  0  0  0  0  0  0  0  0  0  0  0
   -1.2030   -2.9360    0.0010 H   0  0  0  0  0  0  0  0  0  0  0  0
   -6.3660   -2.8150   -0.0020 H   0  0  0  0  0  0  0  0  0  0  0  0
   -8.3630   -1.4190   -0.0030 H   0  0  0  0  0  0  0  0  0  0  0  0
   -5.9390    2.1200   -0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
    5.9440    2.1260    0.0060 H   0  0  0  0  0  0  0  0  0  0  0  0
    7.5290    3.0000   -0.0060 H   0  0  0  0  0  0  0  0  0  0  0  0
    9.8230   -0.2810    0.0080 H   0  0  0  0  0  0  0  0  0  0  0  0
   10.5480    1.2340    0.0020 H   0  0  0  0  0  0  0  0  0  0  0  0
   -9.2000    3.1210   -0.0020 H   0  0  0  0  0  0  0  0  0  0  0  0
   -9.8150   -0.2900   -0.0030 H   0  0  0  0  0  0  0  0  0  0  0  0
  -10.5420    1.2250   -0.0030 H   0  0  0  0  0  0  0  0  0  0  0  0
   -3.1210    1.4130    0.0050 H   0  0  0  0  0  0  0  0  0  0  0  0
    3.1270    1.4160   -0.0040 H   0  0  0  0  0  0  0  0  0  0  0  0
  1 23  1  0  0  0  0
  1 22  2  0  0  0  0
  1  2  1  0  0  0  0
  2  3  2  0  0  0  0
  2 20  1  0  0  0  0
  3  4  1  0  0  0  0
 19 20  2  0  0  0  0
  4  5  2  0  0  0  0
  5 19  1  0  0  0  0
 19 29  1  0  0  0  0
  5 24  1  0  0  0  0
  6 29  1  0  0  0  0
  6 24  2  0  0  0  0
  6  7  1  0  0  0  0
  7  8  2  0  0  0  0
  7 21  1  0  0  0  0
  8  9  1  0  0  0  0
 10 21  1  0  0  0  0
  9 10  2  0  0  0  0
 10 11  1  0  0  0  0
 11 25  2  0  0  0  0
 11 28  1  0  0  0  0
 12 25  1  0  0  0  0
 18 28  1  0  0  0  0
 12 18  2  0  0  0  0
 12 13  1  0  0  0  0
 17 18  1  0  0  0  0
 13 14  2  0  0  0  0
 15 17  2  0  0  0  0
 14 15  1  0  0  0  0
 15 16  1  0  0  0  0
 16 27  1  0  0  0  0
 16 26  2  0  0  0  0
  3 30  1  0  0  0  0
  4 31  1  0  0  0  0
  8 32  1  0  0  0  0
  9 33  1  0  0  0  0
 13 34  1  0  0  0  0
 14 35  1  0  0  0  0
 17 36  1  0  0  0  0
 20 37  1  0  0  0  0
 22 38  1  0  0  0  0
 23 39  1  0  0  0  0
 23 40  1  0  0  0  0
 26 41  1  0  0  0  0
 27 42  1  0  0  0  0
 27 43  1  0  0  0  0
 28 44  1  0  0  0  0
 29 45  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
[H]/N=C(\N)/c1cc2[nH]c(nc2cc1)c3[se]c(cc3)c4nc5c([nH]4)cc(cc5)/C(=N\[H])/N

> <OPENEYE_INCHI>
InChI=1S/C20H16N8Se/c21-17(22)9-1-3-11-13(7-9)27-19(25-11)15-5-6-16(29-15)20-26-12-4-2-10(18(23)24)8-14(12)28-20/h1-8H,(H3,21,22)(H3,23,24)(H,25,27)(H,26,28)

> <OPENEYE_INCHIKEY>
NXECULIQZLOKFU-UHFFFAOYSA-N

> <FORMULA>
C20H16N8Se

$$$$
