Using COc1ccc([C@@H](C)N2C[C@H](C=O)CC2=O)cc1, C[Si](C)(C)C(F)(F)F to produce COc1ccc([C@@H](C)N2C[C@H](C(O)C(F)(F)F)CC2=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.