Using CC(C)(C)OC(=O)N1C(=O)CC[C@H]1C(O[SiH2]C(C)(C)C)(c1ccccc1)c1ccccc1, CCOS(=O)(=O)C(F)(F)F to produce CC[C@@H]1C[C@@H](C(O[SiH2]C(C)(C)C)(c2ccccc2)c2ccccc2)N(C(=O)OC(C)(C)C)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.