[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=Branch1][C][=O][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O-1].[Fe+2]"}, {"from": "gpt", "value": "The molecule is an odorless yellow solid. Insoluble in water and denser in water. Sinks in water. (USCG, 1999)"}]