[{"from": "human", "value": "Describe this molecule. [O-1][S][=Branch1][C][=O][=Branch1][C][=O][O-1].[Hg+2]"}, {"from": "gpt", "value": "The molecule appears as odorless white granules or crystalline powder. Denser than water. It is toxic by inhalation and by ingestion. It is used in medicine, for gold and silver extraction, and to make other mercury compounds."}]