Using O=[N+]=O, COc1ccc(C(F)(F)C(F)(F)F)cc1NC(=O)Nc1ccc(Oc2ccnc(N)n2)c2ccccc12 to produce COc1ccc(C(F)(F)C(F)(F)F)cc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.