Using [I-], C=C(CCl)[C@@H]1[C@@H]([C@@H](C)OC(=O)OCc2ccccc2)C(=O)N1C(Cc1ccc(OC)cc1)Cc1ccc(OC)cc1 to produce C=C(CI)[C@@H]1[C@@H]([C@@H](C)OC(=O)OCc2ccccc2)C(=O)N1C(Cc1ccc(OC)cc1)Cc1ccc(OC)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.