Using CC(C)(C)OC(=O)c1ccc(-c2ccc3[nH]nc(N)c3c2)o1, O=C(Cl)c1ccc(Cl)s1 to produce CC(C)(C)OC(=O)c1ccc(-c2ccc3[nH]nc(NC(=O)c4ccc(Cl)s4)c3c2)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.