Using OCc1ccc(Cl)c(C(F)(F)F)c1, COc1ccc(CBr)cc1 to produce COc1ccc(COCc2ccc(Cl)c(C(F)(F)F)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.