Using C[Si](C)(C)C(F)(F)F, Cc1nc(-c2ccc(C(F)(F)F)cc2)sc1C=O to produce Cc1nc(-c2ccc(C(F)(F)F)cc2)sc1C(O)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.