[{"from": "human", "value": "Describe this molecule. [C][=C][C][=Branch1][O][=C][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1][N+1][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a colorless to yellow solid. Sinks and mixes slowly with water. (USCG, 1999)"}]