[{"from": "human", "value": "Provide a description of this molecule. [C][C][=Branch1][C][=O][N][C][C][C][C][C][=Branch1][C][=O][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a 2-oxo monocarboxylic acid anion that is the conjugate base of 6-acetamido-2-oxohexanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a 6-acetamido-2-oxohexanoic acid."}]