[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a dipeptide zwitterion obtained by transfer of a proton from the carboxy to the amino terminus of Gly-Leu. Major species at pH 7.3. It is a tautomer of a Gly-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][NH3+1]"}]