Using Nc1cc(F)c(Oc2ccnc3[nH]cc(Cl)c23)c(F)c1, Nc1nc(Cl)cc(Cl)n1 to produce Nc1nc(Cl)cc(Nc2cc(F)c(Oc3ccnc4[nH]cc(Cl)c34)c(F)c2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.