Using O=[N+]([O-])c1ccc(OC(F)(F)F)cc1, [O-][Br+2]([O-])[O-] to produce Nc1ccc(OC(F)(F)F)c(Br)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.