[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule appears as a water white liquid with a sharp odor. Flash point 20 \u00b0F. Boiling point 77-78 \u00b0C (173 \u00b0F). Density 7.5 lb / gal. Slightly soluble in water. Vapors are heavier than air. Used in the manufacture of a variety of organic chemicals."}, {"from": "gpt", "value": "[C][C][C][C][Cl]"}]