Using BrCCBr, O=C(COc1ccc(C(F)(F)F)cc1Cl)Nc1ccc(O)c(Cl)c1 to produce O=C(COc1ccc(C(F)(F)F)cc1Cl)Nc1ccc(OCCBr)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.