Using CC(C)(C)OC(=O)N1CCC(N)C(C)(C)C1, O=C(Cl)OCc1ccccc1 to produce CC(C)(C)OC(=O)N1CCC(NC(=O)OCc2ccccc2)C(C)(C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.