Using [F-], Fc1cccc(Cl)c1-c1nc(Cl)n(-c2ccccc2C(F)(F)F)n1 to produce Fc1cccc(Cl)c1-c1nc(F)n(-c2ccccc2C(F)(F)F)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.