Using CC(=O)OC[C@H]1C[C@@H](n2cnc3c(Cl)ncnc32)[C@@H]2OC(C)(C)O[C@H]12, [I-] to produce CC(=O)OC[C@H]1C[C@@H](n2cnc3c(I)ncnc32)[C@@H]2OC(C)(C)O[C@H]12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.