[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a dipeptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of Phe-Leu. It is a tautomer of a Phe-Leu."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][N][C][=Branch1][C][=O][C@H1][Branch1][#Branch2][C][C][=C][C][=C][C][=C][Ring1][=Branch1][NH3+1]"}]