Using N#CC(O)C[C@H]1CCc2sc3ncnc(OC4CCC(N5CCOCC5)CC4)c3c21, CC(C)(C)[Si](C)(C)Cl to produce CC(C)(C)[Si](C)(C)OC(C#N)C[C@H]1CCc2sc3ncnc(OC4CCC(N5CCOCC5)CC4)c3c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.