Using O=N[O-], CCc1cc2c(s1)N=C(NN)CN=C2c1ccccc1Cl to produce CCc1cc2c(s1)-n1nnnc1CN=C2c1ccccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.