Using CC1(C)C(=O)N(Br)C(=O)N1Br, O=[N+]([O-])c1cccc(C(F)(F)F)c1 to produce O=[N+]([O-])c1cc(Br)cc(C(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.