[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a 2-oxo monocarboxylic acid anion. It is functionally related to a 2-oxoglutaramate. It is a conjugate base of a N-methyl-2-oxoglutaramic acid."}, {"from": "gpt", "value": "[C][N][C][=Branch1][C][=O][C][C][C][=Branch1][C][=O][C][=Branch1][C][=O][O-1]"}]