[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][NH2+1][C@@H1][Branch1][#Branch2][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is zwitterionic form of N-methyl-L-phenylalanine arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3. It is a tautomer of a N-methyl-L-phenylalanine."}]