[{"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][C][C][C][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is a C-nitro compound that is the N-(p-nitrophenylphosphobutyryl) derivative of glycine; a cognate transition state analogue of the esterase-like catalytic antibody D2.3. It has a role as an epitope. It is a C-nitro compound, a phosphonic ester and a N-acylglycine."}]