Using CC(C)(C)OC(=O)N1CCC(CNc2cc(Nc3cnc(C#N)cn3)ncc2[N+](=O)[O-])CC1 to produce CC(C)(C)OC(=O)N1CCC(CNc2cc(Nc3cnc(C#N)cn3)ncc2N)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.