['N[C@@H]1C[C@H]1C1CCCCC1', 'N#Cc1ccc([SH](=O)=O)s1', 'C1CCC(C2CC2)CC1', 'N#Cc1ccc(S(N)(=O)=O)s1']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is O=S(=O)(N[C@@H]1C[C@H]1C1CCCCC1)c1cccs1.