[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=N][C][=C][Branch2][Ring1][#Branch1][C][=Branch1][Branch1][=C][Ring1][=Branch1][O][C][N][C@@H1][Branch1][=Branch1][C][C][C][C][N][C][=Branch1][C][=O][O][C][O][P][=Branch1][C][=O][Branch1][C][O][O]"}, {"from": "gpt", "value": "The molecule is an L-lysine derivative arising from reductive alkylation of the N(2)-position of L-lysine by pyridoxal-5-phosphate. It has a role as an epitope. It is a L-lysine derivative and an organic phosphate. It is functionally related to a pyridoxal."}]