[{"from": "human", "value": "What can you tell me about this molecule? [C][=C][C][C][Branch1][C][Cl][Branch1][C][Cl][Cl]"}, {"from": "gpt", "value": "The molecule appears as a colorless liquid. Insoluble in water and less dense than water. Contact may irritate skin, eyes and mucous membranes. May be toxic by ingestion."}]