Using Cc1nc[nH]c1/C=C1\C(=O)Nc2ccc(N)c(N)c21, N=CN to produce Cc1nc[nH]c1/C=C1\C(=O)Nc2ccc3[nH]cnc3c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.