[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][Branch2][Ring1][Branch1][C][Branch1][P][C][=C][Branch1][N][C][=Branch1][C][=O][C][=Branch1][C][=O][O][Ring1][#Branch1][O-1][O][O]"}, {"from": "gpt", "value": "The molecule is conjugate base of dehydroascorbic acid arising from removal of the acidic proton at the C-2 position; major species at pH 7.3. It has a role as a human metabolite. It is a conjugate base of a dehydroascorbic acid."}]