[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a peptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of Ala-Leu. It is a tautomer of an Ala-Leu."}, {"from": "gpt", "value": "[C][C@@H1][Branch2][Ring1][Ring2][C][=Branch1][C][=O][N][C@@H1][Branch1][#Branch1][C][C][Branch1][C][C][C][C][=Branch1][C][=O][O-1][NH3+1]"}]