Using [O-][I+3]([O-])([O-])[O-], C=C1CCOC2(CCN(C(=O)OC(C)(C)C)CC2)C1 to produce CC(C)(C)OC(=O)N1CCC2(CC1)CC(=O)CCO2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.