['CC(C)(C)C=O', 'NCC1CCCN(S(=O)(=O)C2COC2)C1', 'CC(C)(C)C(N)=O', 'CC1CCCN(S(=O)(=O)C2COC2)C1', 'O=[SH](=O)C1COC1', 'CC(C)(C)C(=O)NCC1CCCNC1', 'CNC(=O)C(C)(C)C', 'O=S(=O)(C1COC1)N1CCCCC1']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is O=S(=O)(C1COC1)N1CCCCC1.