[{"from": "human", "value": "Create a molecule with the structure as the one described. 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."}, {"from": "gpt", "value": "[C][#Branch1][C][#N][S-1].[C][#Branch1][C][#N][S-1].[Hg+2]"}]