[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][=C][Branch2][Ring1][O][C][=Branch2][Ring1][=Branch1][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1][N][O]"}, {"from": "gpt", "value": "The molecule is zwitterionic form of 3-hydroxy-4-methyl-L-kynurenine arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3 It is functionally related to a 3-hydroxy-L-kynurenine zwitterion and a L-kynurenine zwitterion. It is an enantiomer of a 3-hydroxy-4-methyl-D-kynurenine zwitterion."}]