Using O=C(O)c1cc(Br)ccc1O, Fc1ccc(CBr)cc1F to produce O=C(OCc1ccc(F)c(F)c1)c1cc(Br)ccc1OCc1ccc(F)c(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.