['CCO', 'Nc1ccc([N+](=O)[O-])cc1NS(=O)(=O)/C=C/c1ccc(Cl)cc1', 'O=[SH](=O)/C=C/c1ccc(Cl)cc1', 'Nc1cc([N+](=O)[O-])ccc1NCCO', 'NCCO', 'O=[N+]([O-])c1cccc(NS(=O)(=O)/C=C/c2ccc(Cl)cc2)c1', 'NS(=O)(=O)/C=C/c1ccc(Cl)cc1', 'O=[N+]([O-])c1ccc(NCCO)cc1']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is O=S(=O)(/C=C/c1ccccc1)Nc1ccccc1.