Using Cc1c(N)ccc(C#N)c1Cl, CC(C)(C)OC(=O)N1CCC[C@@H](O[Si](C)(C)C(C)(C)C)[C@H]1C=O to produce Cc1c(NC[C@@H]2[C@H](O[Si](C)(C)C(C)(C)C)CCCN2C(=O)OC(C)(C)C)ccc(C#N)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.