Using O=C(OO)c1cccc(Cl)c1, CC1=C(c2ccc(Cl)cc2)CCN(C(=O)OC(C)(C)C)C1 to produce CC(C)(C)OC(=O)N1CCC2(c3ccc(Cl)cc3)OC2(C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.