[{"from": "human", "value": "Describe this molecule. [C][C][Branch1][Branch2][C][C][C][=Branch1][C][=O][C][O]"}, {"from": "gpt", "value": "The molecule is a ketone that is hexan-2-one in which one of the hydrogens at position 5 is replaced by a hydroxy group. It is a ketone and a secondary alcohol."}]