Using CS(=O)(=O)c1ccc(C=O)c(-c2ccccc2)c1, C[Si](C)(C)C(F)(F)F to produce CS(=O)(=O)c1ccc(C(O)C(F)(F)F)c(-c2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.