[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a 2-oxo monocarboxylic acid anion. It has a role as a human metabolite. It is functionally related to a glutaramate. It is a conjugate base of a 2-oxoglutaramic acid."}, {"from": "gpt", "value": "[C][Branch1][#Branch1][C][C][=Branch1][C][=O][N][C][=Branch1][C][=O][C][=Branch1][C][=O][O-1]"}]