[{"from": "human", "value": "Provide a description of this molecule. [C][C][Branch1][C][C][Branch1][C][C][O][C][=Branch1][C][=O][N][C][Branch1][P][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O][C]"}, {"from": "gpt", "value": "The molecule is a phenylalanine derivative that is methyl 4-nitrophenylalaninate substituted by a tert-butoxycarbonyl group at the amino nitrogen. It is a carbamate ester, an alpha-amino acid ester and a phenylalanine derivative. It is functionally related to a 4-nitrophenylalanine and a tert-butanol."}]