[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a one-carbon compound that is methane in which three of the hydrogens are replaced by chlorines. It has a role as an inhalation anaesthetic, a non-polar solvent, a carcinogenic agent, a central nervous system drug and a refrigerant. It is a one-carbon compound and a member of chloromethanes."}, {"from": "gpt", "value": "[C][Branch1][C][Cl][Branch1][C][Cl][Cl]"}]