Using CN1CCC(=O)CC1, O=[N+]([O-])c1ccc2[nH]ccc2c1 to produce CN1CC=C(c2c[nH]c3ccc([N+](=O)[O-])cc23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.