['NCC(=O)O', 'O=C[C@H]1CCCN(S(=O)(=O)c2ccc(Cl)cc2)C1', 'CC(=O)O', 'NC(=O)[C@H]1CCCN(S(=O)(=O)c2ccc(Cl)cc2)C1', 'O=[SH](=O)c1ccc(Cl)cc1', 'O=C(O)CNC(=O)[C@H]1CCCNC1', 'O=CNCC(=O)O', 'O=S(=O)(c1ccc(Cl)cc1)N1CCCCC1']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is O=S(=O)(c1ccccc1)N1CCCCC1.