[{"from": "human", "value": "Generate a molecule based on this description. The molecule is an orange pigment which consists of lead(II) chromate and lead(II) oxide. (PbCrO4 and PbO). Chrome orange can be made by precipitating lead(II) together with chromate in a basic solution or by treating chrome yellow with lye. It is toxic both from the contained lead and from the contained hexavalent chromium."}, {"from": "gpt", "value": "[O-1][Cr][=Branch1][C][=O][=Branch1][C][=O][O-1].[O][=Pb].[Pb+2]"}]