[{"from": "human", "value": "Please give me some details about this molecule. [C][Branch2][Ring1][Ring1][C][Branch1][#C][C][Branch1][O][C][Branch1][#Branch1][C][Branch1][Ring1][C][=O][O][O][O][O][O]"}, {"from": "gpt", "value": "Watery odorless colorless liquid. Denser than water and soluble in water. Hence sinks in and mixes with water. (USCG, 1999)"}]