Using ClI, COC(=O)[C@H]1[C@@H](c2ccc([Si](C)(C)C)cc2)C[C@@H]2CC[C@H]1N2C to produce COC(=O)[C@H]1[C@@H](c2ccc(I)cc2)C[C@@H]2CC[C@H]1N2C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.