Using Cc1ccc(S(=O)(=O)OCCC2CCN(C(=O)OC(C)(C)C)CC2)cc1, O=[N+]([O-])c1cnn2c1NCC2 to produce CC(C)(C)OC(=O)N1CCC(CCN2CCn3ncc([N+](=O)[O-])c32)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.