Using COC(=O)[C@H]1CC[C@H](c2ccc(Cl)cc2)CC1, O=C1CCC(=O)N1I to produce COC(=O)[C@H]1CC[C@H](c2ccc(Cl)c(I)c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.