Using C[Si](C)(C)C(F)(F)C(F)(F)F, COC(=O)c1ccc(C(C)=O)cc1 to produce COC(=O)c1ccc(C(C)(O)C(F)(F)C(F)(F)F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.