Using COc1ccc(C2CSc3cc(OC)ccc3C2c2cccc(CO[Si](C)(C)C(C)(C)C)c2)cc1 to produce COc1ccc(C2CSc3cc(OC)ccc3C2c2cccc(CO)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.