Using O=C(n1ccnc1)n1ccnc1, CC(C)Nc1cc(F)ccc1[N+](=O)[O-] to produce CC(C)n1c(=O)[nH]c2ccc(F)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.