RDKit          

  2  1  0  0  0  0  0  0  0  0999 V2000
    0.0000    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.0000    0.0000 Ca  0  0  0  0  0  2  0  0  0  0  0  0
  1  2  2  0
M  END
> <PUBCHEM_COMPOUND_CID>
14778

> <NAME>
CALCIUM OXIDE


$$$$