[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][=Branch1][C][=O][N][C@@H1][Branch1][P][C][S][C][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a tricarboxylic acid trianion resulting from the deprotonation of all three hydroxy groups of N-acetyl-S-(2-succino)-L-cysteine. The major species at pH 7.3. It is a conjugate base of a N-acetyl-S-(2-succino)-L-cysteine."}]