[{"from": "human", "value": "Provide a description of this molecule. [C][Branch1][#C][C][Branch1][O][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1][O][O].[C][Branch1][#C][C][Branch1][O][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1][O][O].[C][Branch1][#C][C][Branch1][O][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1][O][O].[Fe+3].[Fe+3]"}, {"from": "gpt", "value": "Greenish-brown to greenish yellow solid. Sinks and mixes with water. (USCG, 1999)"}]