Using CCC(O)(CC(=O)OC(C)(C)C)c1cc([Si](C)(C)C)nc(OC)c1CO to produce CCC1(O)CC(=O)OCc2c1cc([Si](C)(C)C)nc2OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.