[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is the S stereoisomer of alpha-phenylglycine. It is an enantiomer of a D-alpha-phenylglycine. It is a tautomer of a L-alpha-phenylglycine zwitterion."}, {"from": "gpt", "value": "[C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}]