[{"from": "human", "value": "Describe this molecule. [C][C][Branch1][C][C][Branch1][C][C][C][=Branch1][C][=O][Cl]"}, {"from": "gpt", "value": "The molecule appears as colorless fuming liquid with a pungent odor. Very toxic by inhalation, ingestion or skin absorption. Fumes irritate the eyes and mucous membranes. Corrosive to most metals and tissue."}]