Using COc1ccc(N=Cc2ccc(S(C)(=O)=O)cc2)cc1, C[Si](C)(C)C#N to produce COc1ccc(NC(C#N)c2ccc(S(C)(=O)=O)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.