Using O=[N+]([O-])c1ccc(I)c(Cl)c1, C[Si](C)(C)C(F)(F)F to produce O=[N+]([O-])c1ccc(C(F)(F)F)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.