Using C[Si](C)(C)C(F)(F)F, CC(C)(C)OC(=O)N1[C@H](C=O)COC1(C)C to produce CC(C)(C)OC(=O)N1[C@H](C(O)C(F)(F)F)COC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.