Using CC(C)(C)OC(=O)CCSc1ccc(N)cc1, O=C(Cl)c1ccccc1 to produce CC(C)(C)OC(=O)CCSc1ccc(NC(=O)c2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.