Using CNc1cc(N2CCC(C(F)(F)F)CC2)c(C(=O)NCCC(F)(F)F)cc1[N+](=O)[O-] to produce CNc1cc(N2CCC(C(F)(F)F)CC2)c(C(=O)NCCC(F)(F)F)cc1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.