Using CC(=O)OC(C)=O, CC1(C)CCNc2cc([N+](=O)[O-])ccc21 to produce CC(=O)N1CCC(C)(C)c2ccc([N+](=O)[O-])cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.