[{"from": "human", "value": "What can you tell me about this molecule? [C][Branch1][C][F][Branch1][C][Cl][Branch1][C][Cl][Cl]"}, {"from": "gpt", "value": "The molecule is a one-carbon compound that is methane in which the hydrogens have been replaced by three chlorine and one fluorine atom. It has a role as a refrigerant and an environmental contaminant. It is a halomethane and a chlorofluorocarbon."}]