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