[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a nucleoside reverse transcriptase inhibitor prodrug analog of guanosine."}, {"from": "gpt", "value": "[C][C@@H1][Branch1][#Branch2][O][C@@H1][Branch1][Ring2][O][Ring1][Branch1][C][O][N][C][=N][C][=C][Branch1][N][N][=C][Branch1][#Branch1][N][=C][Ring1][=Branch1][Ring1][=Branch2][N][N]"}]