[{"from": "human", "value": "Please give me some details about this molecule. [C][C@@H1][C][=Branch1][=Branch2][=C][C][=Branch1][C][=O][O][Ring1][=Branch1][O]"}, {"from": "gpt", "value": "The molecule is a tetronic acid derivative. It is a conjugate acid of a (R)-5-methyl-tetronate."}]