[{"from": "human", "value": "Provide a brief overview of this molecule. [C][=C][C][=Branch1][=N][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a white solid with a slight unpleasant odor. Sinks in water. (USCG, 1999)"}]