Using CC(=O)c1c(-c2ccccc2)[nH]c2ccccc12, N=C(N)NN to produce CC(=NNC(=N)N)c1c(-c2ccccc2)[nH]c2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.