Using CC(C)(C)[Si](C)(C)Cl, N#Cc1cnc2ccc(I)cc2c1SCCCO to produce CC(C)(C)[Si](C)(C)OCCCSc1c(C#N)cnc2ccc(I)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.