[{"from": "human", "value": "Please give me some details about this molecule. [C][O][C][=Branch1][C][=O][C][Branch1][P][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1][N]"}, {"from": "gpt", "value": "The molecule is a phenylalanine derivative that is methyl phenylalaninate substituted by a nitro group at position 4 on the benzene ring. It is an alpha-amino acid ester and a phenylalanine derivative. It is functionally related to a 4-nitrophenylalanine."}]