Using FC(F)(F)c1ccc(-c2ccc(Br)cc2)cc1, O=CC1CCOCC1 to produce OC(c1ccc(-c2ccc(C(F)(F)F)cc2)cc1)C1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.