[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a Phosphodiesterase 5 Inhibitor. The mechanism of action of vardenafil is as a Phosphodiesterase 5 Inhibitor."}, {"from": "gpt", "value": "[C][C][C][C][=N][C][=Branch2][Ring2][P][=C][N][Ring1][Branch1][N][=C][Branch1][=Branch1][N][C][Ring1][=Branch1][=O][C][=C][Branch2][Ring1][N][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][S][=Branch1][C][=O][=Branch1][C][=O][N][C][C][N][Branch1][Branch1][C][C][Ring1][=Branch1][C][C][O][C][C][C]"}]