[{"from": "human", "value": "Describe this molecule. [2H][C][=C][Branch2][Ring1][O][C][=Branch2][Ring1][=Branch1][=C][Branch1][=Branch2][C][=Branch1][Branch1][=C][Ring1][=Branch1][2H][2H][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][N][2H][2H]"}, {"from": "gpt", "value": "The molecule is a deuterated compound that is phenylalanine in which the five aromatic hydrogens are replaced by deuterium. It is a deuterated compound and a non-proteinogenic alpha-amino acid."}]