[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is an alpha-amino acid ester."}, {"from": "gpt", "value": "[C][C][O][C][=Branch1][C][=O][C][N][S][=Branch1][C][=O][=Branch1][C][=O][C][=C][Branch2][Ring1][=N][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=N][N][Branch1][#C][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][O][C][C]"}]