Using CC(C)(C)OC(=O)N1CCC(C=O)CC1, CC1(C)CNc2cc([N+](=O)[O-])ccc21 to produce CC(C)(C)OC(=O)N1CCC(CN2CC(C)(C)c3ccc([N+](=O)[O-])cc32)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.