[{"from": "human", "value": "Could you provide a description of this molecule? [C][#Branch1][C][#N][S-1].[C][#Branch1][C][#N][S-1].[Hg+2]"}, {"from": "gpt", "value": "The molecule appears as an odorless white crystalline powder. Insoluble in water and denser than water. Hence sinks in water. Very toxic by inhalation and ingestion."}]