Using CS(=O)(=O)OC(COC1CCN(C(=O)OCc2ccccc2)CC1)C(F)(F)F, [N-]=[N+]=[N-] to produce [N-]=[N+]=NC(COC1CCN(C(=O)OCc2ccccc2)CC1)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.