[{"from": "human", "value": "Describe this molecule. [C][Si][Branch1][C][C][Branch1][C][C][Cl]"}, {"from": "gpt", "value": "The molecule appears as a colorless fuming liquid with a pungent odor. Boiling point 135 \u00b0F, Flash point -18 \u00b0F. Density 0.854 g / cm3. The vapor and liquid may cause burns. Vapors are heavier than air."}]