['CN[C@@H]1COC[C@H]1O', 'O=[SH](=O)CC1CCOC1', 'O[C@H]1CCOC1', 'CNS(=O)(=O)CC1CCOC1', 'C1CCOC1', 'CN([C@@H]1COC[C@H]1O)S(C)(=O)=O']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is O=S(=O)(CC1CCOC1)N[C@H]1CCOC1.