Using CN(C[C@@H](NC(=O)OC(C)(C)C)[C@H](O)C1CCCCC1)C(=O)OCC[Si](C)(C)C to produce CN(C[C@@H](NC(=O)OC(C)(C)C)C(=O)C1CCCCC1)C(=O)OCC[Si](C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.