Using O=c1cc(C(F)(F)F)ncn1-c1ccc(C(F)(F)F)cn1, BrBr to produce O=C1C=C(C(F)(F)F)N(Br)CN1c1ccc(C(F)(F)F)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.