[{"from": "human", "value": "Could you provide a description of this molecule? [O-1][S][=Branch1][C][=O][=Branch1][C][=S][O-1].[Pb+2]"}, {"from": "gpt", "value": "The molecule is a white crystalline solid. Sinks and mixes slowly with water. (USCG, 1999)"}]