[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C@H1][Branch1][#Branch1][C][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is an optically active form of 3-amino-3-phenylpropanoic acid having S-configuration. It is an enantiomer of a (R)-3-amino-3-phenylpropanoic acid. It is a tautomer of a (S)-3-ammonio-3-phenylpropanoate."}]