Using O=C(OO)c1cccc(Cl)c1, CC(=O)C1CC(O[Si](c2ccccc2)(c2ccccc2)C(C)(C)C)C1 to produce CC(=O)OC1CC(O[Si](c2ccccc2)(c2ccccc2)C(C)(C)C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.