[{"from": "human", "value": "Generate a molecule based on this description. 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."}, {"from": "gpt", "value": "[C][C][Branch1][#Branch1][C][=Branch1][C][=O][O][C][Cl]"}]