Using N=C(N)N, Cc1ccc2c(c1)c(C(=O)Cl)cn2-c1ccnc2ccccc12 to produce Cc1ccc2c(c1)c(C(=O)NC(=N)N)cn2-c1ccnc2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.