Using C[C@H](N)c1ccc(F)cn1, Fc1c(Cl)nc(Cl)nc1N1CCOCC1 to produce C[C@H](Nc1nc(Cl)nc(N2CCOCC2)c1F)c1ccc(F)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.