[{"from": "human", "value": "Provide a brief overview of this molecule. [C][=C][C][=Branch1][=Branch1][=C][N][=C][Ring1][=Branch1][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is an odorless white crystalline powder with a feebly acid taste. pH (saturated aqueous solution) 2.7. pH (1.3% solution) 3-3.5. "}]