Using CNc1cc(Cl)nc(Cl)n1, N[C@H]1CC[C@@H](C(=O)NCc2ccccc2C(F)(F)F)CC1 to produce CNc1cc(Cl)nc(N[C@H]2CC[C@@H](C(=O)NCc3ccccc3C(F)(F)F)CC2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.