Using O=C(Cl)OCc1ccccc1, Nc1ccc(Br)cc1OC(F)(F)F to produce O=C(Nc1ccc(Br)cc1OC(F)(F)F)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.