Using [NH4+], O=[N+]([O-])c1cc(F)c(Br)cc1Nc1ccnc(Cl)n1 to produce Nc1nccc(Nc2cc(Br)c(F)cc2[N+](=O)[O-])n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.