UWE
  -OEChem-07052418243D

  3  2  0     0  0  0  0  0  0999 V2000
    4.1350  -12.5070   13.8530 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.2070  -12.6080   15.0640 O   0  3  0  0  0  0  0  0  0  0  0  0
    4.0550  -12.2720   12.1030 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+

$$$$