Using CC(C)(C)[Si](C)(C)Cl, CC(=O)Oc1ccc(O)cc1C(=O)O to produce CC(=O)Oc1ccc([Si](C)(C)C(C)(C)C)cc1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.