[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is excreted more slowly than tetracycline, it maintains effective blood levels for longer periods of time."}, {"from": "gpt", "value": "[C][N][Branch1][C][C][C@H1][C@@H1][C][C@@H1][C@@H1][Branch2][Branch1][Branch1][C][=C][Branch2][Ring2][#C][C][=C][C][=Branch2][Ring2][Branch2][=C][Ring1][=Branch1][C][=Branch2][Ring1][S][=C][Ring1][#Branch2][C][=Branch1][C][=O][C@@][Ring1][#C][Branch2][Ring1][C][C][=Branch1][=C][=C][Branch1][=Branch1][C][Ring2][Ring1][Ring1][=O][C][=Branch1][C][=O][N][O][O][O][O][Cl][O]"}]