[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a prodrug of [adefovir]."}, {"from": "gpt", "value": "[C][C][O][P@@][=Branch1][C][=O][Branch1][S][O][C@@H1][Ring1][#Branch1][C][=C][C][=Branch1][=Branch1][=C][C][=C][Ring1][=Branch1][Cl][C][O][C][C][N][C][=N][C][=C][Branch1][=Branch2][N][=C][N][=C][Ring1][=Branch1][Ring1][=Branch2][N]"}]