[{"from": "human", "value": "Provide a brief overview of this molecule. [C][Branch1][=Branch1][C][=Branch1][C][=O][O][Branch1][C][Cl][Cl]"}, {"from": "gpt", "value": "The molecule appears as a colorless crystalline solid melting at 49 \u00b0F. Corrosive to metals and tissue."}]