[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule appears as a colorless fuming liquid with a pungent odor. Flash point 30 \u00b0F. Vapor and liquid may cause burns. Denser than water. Vapors heavier than air."}, {"from": "gpt", "value": "[C][C][Si][Branch1][C][Cl][Cl]"}]