Using Nc1c(I)c(-c2ccccc2)nn1-c1c(Cl)cc(C(F)(F)F)cc1Cl to produce FC(F)(F)c1cc(Cl)c(-n2cc(I)c(-c3ccccc3)n2)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.