Using CC(C)(C)c1ccc(N)cc1, O=C(O)c1ccc(-c2ncccc2Cl)cc1 to produce CC(C)(C)c1ccc(NC(=O)c2ccc(-c3ncccc3Cl)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.