[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is an L-alpha-amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of L-methionine sulfoximine; major miscrospecies at pH 7.3. It is a tautomer of a L-methionine sulfoximine."}, {"from": "gpt", "value": "[C][S][=Branch1][C][=N][=Branch1][C][=O][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1]"}]