Using COC(=O)[C@H](CC1CCC(O[Si](C)(C)C(C)(C)C)CC1)NC(=O)OC(C)(C)C to produce CC(C)(C)OC(=O)N[C@H](CO)CC1CCC(O[Si](C)(C)C(C)(C)C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.