[{"from": "human", "value": "Please give me some details about this molecule. [C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1]"}, {"from": "gpt", "value": "The molecule is an L-alpha-amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of L-alpha-phenylglycine; major species at pH 7.3. It is a tautomer of a L-alpha-phenylglycine."}]