Using C[Si](C)(C)Cl, COC(=O)c1ccc(OC)cc1OC(C)C to produce COC(=O)c1ccc(OC)c([Si](C)(C)C)c1OC(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.