[{"from": "human", "value": "Provide a description of this molecule. [O].[O].[O].[O].[O].[O].[O-1][S][=Branch1][C][=O][=Branch1][C][=O][O-1].[Ni+2]"}, {"from": "gpt", "value": "The molecule is a hydrate that is the hexahydrate of nickel sulfate. It has a role as a sensitiser. It contains a nickel sulfate."}]