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