Using Clc1cc(Cl)nc(C2CCCCC2)n1, Nc1n[nH]c2ncc(F)cc12 to produce Fc1cnc2[nH]nc(Nc3cc(Cl)nc(C4CCCCC4)n3)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.