[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][C][C][=Branch1][C][=O][O][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is a clear, colorless, mobile liquid. pH (anhydrous): 7.0. pH (10% solution in distilled water): 4.2. "}]