Using [I-], Cc1ccc(S(=O)(=O)OC[C@H]2O[C@@H](c3ccc(Cl)c(Cc4ncc(-c5ccco5)s4)c3)[C@H](O)[C@@H](O)[C@@H]2O)cc1 to produce O[C@@H]1[C@@H](O)[C@H](c2ccc(Cl)c(Cc3ncc(-c4ccco4)s3)c2)O[C@H](CI)[C@H]1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.