[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][=Branch1][C][=C][C@H1][Branch1][Branch2][C][C][C][=Branch1][C][=O][C][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an optically active form of 3-isopropenyl-6-oxoheptanoate having (3R)-configuration. It is a conjugate base of a (3R)-3-isopropenyl-6-oxoheptanoic acid. It is an enantiomer of a (3S)-3-isopropenyl-6-oxoheptanoate."}]