Using CC1=C2OC(C)(CC3=CCN(c4ccc(-n5ccnc5)cc4)CC3)CC2C(C)C([N+](=O)[O-])=C1C to produce CC1=C(N)C(C)C2CC(C)(CC3=CCN(c4ccc(-n5ccnc5)cc4)CC3)OC2=C1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.