C2O
  -OEChem-04262419523D

  3  2  0     0  0  0  0  0  0999 V2000
    0.1000    0.0000   -1.2040 Cu  0  0  0  0  0  0  0  0  0  0  0  0
    0.1000    0.0000    1.2040 Cu  0  0  0  0  0  0  0  0  0  0  0  0
   -0.7940    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
  1  3  1  0  0  0  0
  2  3  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
O([Cu])[Cu]

> <OPENEYE_INCHI>
InChI=1S/2Cu.O

> <OPENEYE_INCHIKEY>
BERDEBHAJNAUOM-UHFFFAOYSA-N

> <FORMULA>
Cu2O

$$$$