[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C][Branch1][C][C][O][C][=Branch1][C][=O][Cl]"}, {"from": "gpt", "value": "The molecule appears as a colorless liquid. Insoluble in water and more dense than water. Contact may severely irritate skin, eyes, and mucous membranes. Very toxic by ingestion, inhalation and skin absorption. Used to make other chemicals."}]