[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is an amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of N(5)-acetylornithine; major species at pH 7.3. It is a tautomer of a N(5)-acetylornithine."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][N][C][C][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1]"}]