[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a member of pterins."}, {"from": "gpt", "value": "[C][C][C][N][C][=C][Branch1][Ring2][N][Ring1][=Branch1][C][=Branch1][C][=O][N][C][=Branch1][Ring2][=N][Ring1][Branch2][N]"}]