[{"from": "human", "value": "What can you tell me about this molecule? [C][C][O][C][=Branch1][C][=O][C][C][Branch1][C][C][O]"}, {"from": "gpt", "value": "The molecule is the fatty acid ethyl ester of 3-hydroxybutyric acid. It has a role as a metabolite. It is functionally related to a 3-hydroxybutyric acid."}]