[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. 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. "}, {"from": "gpt", "value": "[C][=C][C][=Branch1][=Branch1][=C][N][=C][Ring1][=Branch1][C][=Branch1][C][=O][O]"}]