[{"from": "human", "value": "Describe this molecule. [C][C][Si][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][Branch1][C][Cl][Cl]"}, {"from": "gpt", "value": "The molecule is a colorless liquid with a pungent odor. It is decomposed by water to hydrochloric acid with evolution of heat. It is corrosive to metals and tissue."}]