[{"from": "human", "value": "Provide a description of this molecule. [C][C][Branch1][Ring1][C][O][O][C][C][Branch1][C][C][O]"}, {"from": "gpt", "value": "The molecule appears as colorless liquid that is odorless or has a mild sweet odor. May float or sink in water. (USCG, 1999)"}]