[{"from": "human", "value": "Describe this molecule. [C][C][Branch1][C][C][Cl]"}, {"from": "gpt", "value": "The molecule appears as a colorless liquid with a chloroform-like odor. Vapors heavier than air. Less dense than water. May irritate skin and eyes, and be narcotic in high concentrations. A fire and explosion risk. Used to make other chemicals."}]