[{"from": "human", "value": "Provide a description of this molecule. [C][Branch1][O][C@@H1][Branch1][#Branch1][C@@H1][Branch1][Ring1][C][=O][O][O][C][=Branch1][C][=O][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a hydroxy monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of (4S,5S)-4,5-dihydroxy-2,6-dioxohexanoic acid. The major species at pH 7.3. It is a hydroxy monocarboxylic acid anion and a dioxo monocarboxylic acid anion. It is a conjugate base of a (4S,5S)-4,5-dihydroxy-2,6-dioxohexanoic acid."}]