[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][O][C][=Branch1][C][=O][C][C@@H1][Branch1][C][C][O]"}, {"from": "gpt", "value": "The molecule is an ethyl 3-hydroxybutyrate. It is functionally related to a (R)-3-hydroxybutyric acid."}]