[{"from": "human", "value": "Describe this molecule. [C][C][=Branch1][O][=C][C][C][/C][=Branch1][Ring2][=C][/C][=O][/C][C]"}, {"from": "gpt", "value": "The molecule appears as a clear yellow colored liquid with a lemon-like odor. Less dense than water and insoluble in water. Toxic by ingestion. Used to make other chemicals."}]