[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a gamma-amino acid comprising that is GABA in which one of the hydrogens attached to the nitrogen is replaced by a methyl group. It is functionally related to a butyric acid and a gamma-aminobutyric acid. It is a conjugate acid of a 4-(methylamino)butyrate. It is a tautomer of a 4-(methylamino)butyric acid zwitterion."}, {"from": "gpt", "value": "[C][N][C][C][C][C][=Branch1][C][=O][O]"}]