Using COc1ccc2[nH]c(C)c(/C=C3\SC(SC)=NC3=O)c2c1, N#CN to produce COc1ccc2[nH]c(C)c(/C=C3\SC(NC#N)=NC3=O)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.