[{"from": "human", "value": "Could you provide a description of this molecule? [O].[O][P][Branch1][C][O-1][O-1].[O][P][Branch1][C][O-1][O-1].[O][=Pb].[O][=Pb].[O][=Pb].[O][=Pb].[Pb+2].[Pb+2]"}, {"from": "gpt", "value": "The molecule is a finely ground white crystalline solid. It is not soluble in water. It may be toxic by ingestion or skin absorption. The material can be readily ignited from exposure to heat or external sparks. When so ignited it burns vigorously and persistently."}]