Using CC1(C)[C@H]2Cc3cc(N)c(N)cc3[C@]1(C)CCN2C(=O)C(F)(F)F, O=N[O-] to produce CC1(C)[C@H]2Cc3cc4nn[nH]c4cc3[C@]1(C)CCN2C(=O)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.