Using Cc1cc(-c2nc3cnc(Cl)nc3o2)cc(C)c1O, Oc1ccccc1F to produce Cc1cc(-c2nc3cnc(Oc4ccccc4F)nc3o2)cc(C)c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.