[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=C][C][=Branch1][O][=C][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1]"}, {"from": "gpt", "value": "The molecule is an organophosphate oxoanion that results from the removal of two protons from the phosphate group of 4-nitrophenyl phosphate. It is a conjugate base of a 4-nitrophenyl phosphate."}]