Using C[Si](C)(C)CCOCn1ccc2c(C=O)cc(C(F)(F)F)cc21 to produce C[Si](C)(C)CCOCn1ccc2c(CO)cc(C(F)(F)F)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.