[{"from": "human", "value": "Please give me some details about this molecule. [C][C][C][Branch1][#Branch2][C][Branch1][=Branch1][C][=Branch1][C][=O][O][O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is the 2-hydroxy-3-ethyl derivative of succinic acid. It is functionally related to a succinic acid. It is a conjugate acid of a 3-ethylmalate(2-)."}]