['Nc1cccc(F)c1C(=O)O', 'Cc1ccc(/C=C/[SH](=O)=O)cc1', 'O=C(O)c1ccccc1F', 'Cc1ccc(/C=C/S(N)(=O)=O)cc1', 'O=CO', 'Cc1ccc(/C=C/S(=O)(=O)Nc2cccc(F)c2)cc1']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is O=S(=O)(/C=C/c1ccccc1)Nc1ccccc1.