UWE
  -OEChem-07052417533D

  3  2  0     0  0  0  0  0  0999 V2000
   -1.2930    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.2970   -0.0000   -0.0000 O   0  3  0  0  0  0  0  0  0  0  0  0
    0.8910   -0.0000   -0.0000 Ni  0  0  0  0  0  0  0  0  0  0  0  0
  1  3  1  0  0  0  0
  1  2  3  0  0  0  0
M  CHG  1   2   1
M  END
> <OPENEYE_ISO_SMILES>
C(#[O+])[Ni]

> <OPENEYE_INCHI>
InChI=1S/CO.Ni/c1-2;/q+1;

> <OPENEYE_INCHIKEY>
IBXNIJKRMDYAOR-UHFFFAOYSA-N

> <FORMULA>
CNiO+

$$$$