Using OC(c1ccc(F)c(Br)c1)c1ccc(F)cc1OC(F)(F)C(F)F to produce O=C(c1ccc(F)c(Br)c1)c1ccc(F)cc1OC(F)(F)C(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.