[{"from": "human", "value": "What can you tell me about this molecule? [C][C][=Branch1][C][=O][I]"}, {"from": "gpt", "value": "The molecule appears as a colorless, fuming liquid with a pungent odor. Soluble in benzene and ether (Merck 11th ed., 1989). Vapors are irritating to the eyes and mucous membranes. Vapor causes pulmonary edema. Corrosive to metals and skin."}]