Using CCCc1cc(CO[Si](C)(C)C(C)(C)C)ccc1OC(C(=O)OC)c1ccccc1 to produce CCCc1cc(CO[Si](C)(C)C(C)(C)C)ccc1OC(C(=O)O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.