Using C[Si](C)(C)CCOCn1cc(I)c2c(Cl)nc(Cl)nc21, CC(C)(C)OC(=O)NC[C@H]1C[C@H](O)C1 to produce CC(C)(C)OC(=O)NC[C@H]1C[C@H](Oc2nc(Cl)nc3c2c(I)cn3COCC[Si](C)(C)C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.