Using Nc1ccnc(Cl)n1, O=[N+]([O-])c1ccc(Br)cc1F to produce O=[N+]([O-])c1ccc(Br)cc1Nc1ccnc(Cl)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.