['CCc1ccc2c(c1)OCO2', 'NS(=O)(=O)/C=C/c1ccc(Cl)cc1', 'NCCc1ccc2c(c1)OCO2', 'O=[SH](=O)/C=C/c1ccc(Cl)cc1', 'c1ccc2c(c1)OCO2', 'CCNS(=O)(=O)/C=C/c1ccc(Cl)cc1']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is O=S(=O)(/C=C/c1ccccc1)NCCc1ccc2c(c1)OCO2.