[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is an amino acid zwitterion resulting from a transfer of a proton from the carboxy group to the amino group of 3-(5-oxoisoxazolin-2-yl)-L-alanine; major species at pH 7.3. It is a tautomer of a 3-(5-oxoisoxazolin-2-yl)-L-alanine."}, {"from": "gpt", "value": "[C][=C][N][Branch1][=Branch1][O][C][Ring1][Branch1][=O][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1]"}]