[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is zwitterionic form of gamma-aminobutyric acid having an anionic carboxy group and a protonated amino group. It is a tautomer of a gamma-aminobutyric acid."}, {"from": "gpt", "value": "[C][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C][NH3+1]"}]