[{"from": "human", "value": "Please give me some details about this molecule. [C][Branch1][=C][C@H1][C][=Branch1][C][=O][N][C][=Branch1][C][=O][N][Ring1][#Branch1][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is the conjugate base of L-5-carboxymethylhydantoin; major species at pH 7.3. It is a conjugate base of a L-5-carboxymethylhydantoin."}]