[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is an amino acid zwitterion of N(2)-acetyl-L-ornithine arising from migration of a proton from the carboxy group to the epsilon-amino group; major species at pH 7.3. It has a role as an Escherichia coli metabolite and a human metabolite. It is a tautomer of a N(2)-acetyl-L-ornithine."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][N][C@@H1][Branch1][Branch1][C][C][C][NH3+1][C][=Branch1][C][=O][O-1]"}]