Using COc1ccc(CO[C@@H](CNC(=O)OC(C)(C)C)CO[Si](C(C)C)(C(C)C)C(C)C)cc1OC to produce COc1ccc(CO[C@H](CO)CNC(=O)OC(C)(C)C)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.