Using O=C(O)c1ccc(Cl)cn1, CC1=NC2(N=C1N)c1cc(N)ccc1CC21CCC(F)(F)CC1 to produce CC1=NC2(N=C1N)c1cc(NC(=O)c3ccc(Cl)cn3)ccc1CC21CCC(F)(F)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.