Using CC(=O)Oc1cc(Cl)ccc1C(=O)Nc1cc(-c2ccccc2)ccc1C(=O)OC(C)(C)C to produce CC(C)(C)OC(=O)c1ccc(-c2ccccc2)cc1NC(=O)c1ccc(Cl)cc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.