Using CC(C)(C)[Si](C)(C)Cl, COc1cccc(CC(O)CO)c1OCc1ccccc1 to produce COc1cccc(CC(O)CO[Si](C)(C)C(C)(C)C)c1OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.