Using C[Si](C)(C)C(F)(F)F, CC(C)(C)OC(=O)N1CCC(=O)CC1 to produce CC(C)(C)OC(=O)N1CCC(O)(C(F)(F)F)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.