Using [I-], COc1ccc(C(C)C(O)(c2ccnc(Cl)c2)C(F)(F)F)c(Cl)c1 to produce COc1ccc(C(C)C(O)(c2ccnc(I)c2)C(F)(F)F)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.