Using CN, Cc1ccc(S(=O)(=O)OC[C@H]2C=Cc3cccc(-c4c(Cl)cccc4Cl)c3O2)cc1 to produce CNC[C@H]1C=Cc2cccc(-c3c(Cl)cccc3Cl)c2O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.