[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule appears as a clear colorless liquid with a characteristic odor. Denser than water (13.2 lb / gal) and insoluble in water. Noncombustible. May cause illness by inhalation, skin absorption and/or ingestion. Used as a solvent, in the manufacture of other chemicals, as an agricultural fumigant, and for many other uses."}, {"from": "gpt", "value": "[C][Branch1][C][Cl][Branch1][C][Cl][Branch1][C][Cl][Cl]"}]