Using CC(C)(C)[Si](OCc1c(Cl)ccc(-n2cccc2)c1Cl)(c1ccccc1)c1ccccc1, O=C=NS(=O)(=O)Cl to produce CC(C)(C)[Si](OCc1c(Cl)ccc(-n2cccc2C#N)c1Cl)(c1ccccc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.