Using Nc1cncc(F)c1, Cc1nc(N)nc(-c2cc(F)cnc2Cl)n1 to produce Cc1nc(N)nc(-c2cc(F)cnc2Nc2cncc(F)c2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.