Using Cc1ccc(C(=O)CN)s1, O=C(Cl)c1cc(C(F)(F)F)cc(C(F)(F)F)c1 to produce Cc1ccc(C(=O)CNC(=O)c2cc(C(F)(F)F)cc(C(F)(F)F)c2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.