Using CC(C)[Si](Cl)(C(C)C)C(C)C, COC(=O)c1ccc2c(C3CCCCC3)c(-c3ccccc3CO)[nH]c2c1 to produce COC(=O)c1ccc2c(C3CCCCC3)c(-c3ccccc3CO[Si](C(C)C)(C(C)C)C(C)C)[nH]c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.