Using Cc1ccc(S(=O)(=O)OCC(F)(F)F)cc1, OCc1ccc(Cl)c(O)c1 to produce OCc1ccc(Cl)c(OCC(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.