Using COc1ccc(C(=O)Cc2ccnc(N)c2)cc1, O=C(Cl)c1ccccc1 to produce COc1ccc(C(=O)Cc2ccnc(NC(=O)c3ccccc3)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.