Using CC(C)(C)OC(=O)N1CC2(C1)CN(c1ccc([N+](=O)[O-])nc1)C2 to produce CC(C)(C)OC(=O)N1CC2(C1)CN(c1ccc(N)nc1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.