Using CS(=O)(=O)OC1CC2(CCN(c3ccc(-c4ccc(F)cc4)cn3)CC2)C1, [N-]=[N+]=[N-] to produce [N-]=[N+]=NC1CC2(CCN(c3ccc(-c4ccc(F)cc4)cn3)CC2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.