[{"from": "human", "value": "Could you provide a description of this molecule? [C][=Branch1][C][=O][Branch1][C][O-1][O-1].[Pb+2]"}, {"from": "gpt", "value": "The molecule is a chemical compound prepared industrially from lead(II) acetate and carbon dioxide. It also occurs naturally as the mineral cerussite. Lead is a heavy metal and stable element with the symbol Pb and the atomic number 82, existing in metallic, organic, and inorganic forms. It is mainly found in nature as the mineral galena (PbS), cerussite (PbCO3) or anglesite (PbSO4), usually in ore with zinc, silver, or copper. (L21, L408)"}]