[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a non-proteinogenic alpha-amino acid that is phenylalanine in which the phenyl ring is methylated at positions 2, 4 and 6. It is a phenylalanine derivative and a non-proteinogenic alpha-amino acid."}, {"from": "gpt", "value": "[C][C][=C][C][=Branch2][Ring1][Branch1][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][N][C]"}]