['O=[SH](=O)C1CC1', 'CN[C@H]1CCO[C@@H]1c1cccnc1', 'CNS(=O)(=O)C1CC1', 'c1cncc([C@@H]2CCCO2)c1', 'c1ccncc1', 'CN([C@H]1CCOC1)S(=O)(=O)C1CC1']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is O=S(=O)(N[C@H]1CCO[C@@H]1c1cccnc1)C1CC1.