Using CC(C)(C)OC(=O)N1CCC(O)CC1, COC(=O)COc1ccc(O)cc1[N+](=O)[O-] to produce COC(=O)COc1ccc(OC2CCN(C(=O)OC(C)(C)C)CC2)cc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.