Using CCOC(C)=O, CC(C)(C)OC(=O)N1C[C@H](C[C@@H]2C[C@@H](O[Si](C)(C)C(C)(C)C)CN2C(=O)OC(C)(C)C)C[C@H]1CO to produce CC(C)(C)OC(=O)N1C[C@H](O[Si](C)(C)C(C)(C)C)C[C@H]1C[C@@H]1C[C@@H](C(=O)O)N(C(=O)OC(C)(C)C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.