[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a monocarboxylic acid anion that is the conjugate base of N-isobutyrylglycine, obtained by deprotonation of the carboxy group; major species at pH 7.3. It has a role as a human urinary metabolite. It is a N-acylglycinate and a monocarboxylic acid anion. It is a conjugate base of a N-isobutyrylglycine."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][O-1]"}]