[{"from": "human", "value": "Provide a description of this molecule. [C][C][=Branch1][C][=C][C@H1][C][C][C@@][Branch1][Branch2][C][=Branch1][C][=O][C][Ring1][#Branch1][Branch1][C][C][O]"}, {"from": "gpt", "value": "The molecule is an optically active form of 1-hydroxylimonen-2-one having (1R,4S)-configuration. It is an enantiomer of a (1S,4R)-1-hydroxylimonen-2-one."}]