Using CC1(C(=O)N2CCC(Oc3ncc([N+](=O)[O-])c4ccccc34)CC2)CC1 to produce CC1(C(=O)N2CCC(Oc3ncc(N)c4ccccc34)CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.