Using C[C@@H](CCCOS(C)(=O)=O)CO[Si](C)(C)C(C)(C)C, [I-] to produce C[C@@H](CCCI)CO[Si](C)(C)C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.