Using COc1ccc(C(C)(O[Si](C)(C)C)C(F)(F)F)c(CCOC(C)=O)c1 to produce COc1ccc(C(C)(O)C(F)(F)F)c(CCOC(C)=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.