[{"from": "human", "value": "Describe this molecule. [C][C][Branch1][#Branch1][C][=Branch1][C][=O][O][C][Cl]"}, {"from": "gpt", "value": "The molecule appears as a colorless liquid. Insoluble in water. Irritating and narcotic in high concentrations. Used as a solvent and for making other chemicals and dyes."}]