['CC1OCCC1[SH](=O)=O', 'CC(C)c1ccc2c(c1)[C@H](N)CCC2', 'CCC', 'CC1OCCC1S(=O)(=O)N[C@@H]1CCCc2ccccc21']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is O=S(=O)(N[C@@H]1CCCc2ccccc21)C1CCOC1.