[{"from": "human", "value": "Describe this molecule. [O-1][S][=Branch1][C][=O][=Branch1][C][=O][O-1].[Hg+1].[Hg+1]"}, {"from": "gpt", "value": "The molecule is a white to yellow crystalline powder. Soluble in hot sulfuric acid, dilute nitric acid. Highly toxic."}]