Using Nc1ccc2c(=O)n(CCN3CCC(C(=O)c4ccc(F)cc4)CC3)c(=O)[nH]c2c1, [N-]=[N+]=[N-] to produce [N-]=[N+]=Nc1ccc2c(=O)n(CCN3CCC(C(=O)c4ccc(F)cc4)CC3)c(=O)[nH]c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.