[{"from": "human", "value": "Generate a molecule based on this description. The molecule is an organosulfur compound and a member of purines."}, {"from": "gpt", "value": "[C][O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][C][=Branch1][C][=O][C][=C][Branch1][=Branch1][N][C][Ring1][#Branch1][=S][N][N][=C][Ring1][Branch2]"}]