Using N=C(N)N, CC(C)(C)OC(=O)CN(Cc1ccccc1)Cc1ccc2c(Cl)cnc(Cl)c2c1 to produce CC(C)(C)OC(=O)CN(Cc1ccccc1)Cc1ccc2c(Cl)cnc(NC(=N)N)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.