Using CC(C)(C)OC(=O)N[C@@H](CC1CCCCC1)[C@H](O)CN(Cc1ccc(C#N)cc1)C(=O)OCC[Si](C)(C)C to produce C[Si](C)(C)CCOC(=O)N(Cc1ccc(C#N)cc1)C[C@@H](O)[C@@H](N)CC1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.