[{"from": "human", "value": "Provide a description of this molecule. [C][Branch1][#Branch1][C][=Branch1][C][=O][C][Cl][Cl]"}, {"from": "gpt", "value": "The molecule is a ketone that is propan-2-one in which a hydrogen at positions 1 and 3 have been replaced by chloro groups. It is used in the synthesis of citric acid. Also used as a solvent and as an intermediate in organic synthesis. It is an organochlorine compound and a ketone. It is functionally related to a 1,3-dichloropropan-2-ol."}]