[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is pterin acetylated on N-2 and carrying a formyl group at position 6."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][N][C][=N][C][=N][C][=C][Branch1][N][N][=C][Ring1][=Branch1][C][=Branch1][C][=O][N][Ring1][O][C][=O]"}]