Using CC(=O)OC(C)=O, CC(C)(C)OC(=O)NCCn1ccc2cc(C(=O)N3CCC(Oc4ccc(Cl)cc4)CC3)ccc21 to produce CC(=O)NCCn1ccc2cc(C(=O)N3CCC(Oc4ccc(Cl)cc4)CC3)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.