Using O=C(c1ccccc1)c1cc(C(F)(F)F)ccc1NC=C[N+](=O)[O-] to produce O=[N+]([O-])c1cnc2ccc(C(F)(F)F)cc2c1-c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.