[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is zwitterionic form of N-ethylglycine. It is a tautomer of a N-ethylglycine."}, {"from": "gpt", "value": "[C][C][NH2+1][C][C][=Branch1][C][=O][O-1]"}]