Using C[Si](C)(C)CCOCn1cc2cc(Cl)cc(COS(C)(=O)=O)c2n1, [C-]#N to produce C[Si](C)(C)CCOCn1cc2cc(Cl)cc(CC#N)c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.