Using CC(C)(C)C(=O)c1ccc(C(N)=O)cc1, CC(C)(C)C(=O)c1ccc(C(=O)Cl)cc1 to produce CC(C)(C)C(=O)c1ccc(C(=O)NC(=O)c2ccc(C(=O)C(C)(C)C)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.