You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? Toxic gases and vapors (such as nickel carbonyl) may be released ... in the decomp of nickel cmpd. nickel & sol nickel cmpd/ The molecule has Odorless.
user
O=C[O-].O=C[O-].[Ni+2]
assistant