Using COC(=O)C=C1CCC(CO[Si](C(C)C)(C(C)C)C(C)C)CC1 to produce COC(=O)CC1CCC(CO[Si](C(C)C)(C(C)C)C(C)C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.