Using CC(C)(C)[Si](Cl)(c1ccccc1)c1ccccc1, COc1cc(O)cc(OC)c1 to produce COc1cc(OC)cc(O[Si](c2ccccc2)(c2ccccc2)C(C)(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.