Using CC(=O)NCC1CN(c2ccc(-c3ccc(CN=[N+]=[N-])cc3)c(F)c2)C(=O)O1 to produce CC(=O)NCC1CN(c2ccc(-c3ccc(CN)cc3)c(F)c2)C(=O)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.