[{"from": "human", "value": "Describe this molecule. [C][C][C][C@H1][Branch1][=Branch2][C][C][=Branch1][C][=O][O][C][C][O]"}, {"from": "gpt", "value": "The molecule is the (R)-enantiomer of ethyl 3-hydroxyhexanoate. It is an enantiomer of an ethyl (S)-3-hydroxyhexanoate."}]