Using CC(C)(C#N)c1csc(-c2ccnc3c2cnn3C(c2ccccc2)(c2ccccc2)c2ccccc2)n1 to produce CC(C)(C#N)c1csc(-c2ccnc3[nH]ncc23)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.