Using Cn1c(C(F)(F)F)cc(=O)n(-c2ccc3snc(CBr)c3c2)c1=O, [N-]=[N+]=[N-] to produce Cn1c(C(F)(F)F)cc(=O)n(-c2ccc3snc(CN=[N+]=[N-])c3c2)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.