Using FC(F)(F)c1ccccc1CBr, CC(C)S(=O)(=O)NC1CCc2cc(O)ccc21 to produce CC(C)S(=O)(=O)NC1CCc2cc(OCc3ccccc3C(F)(F)F)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.