Using FC(F)CI, NS(=O)(=O)c1ccc(NCC2CNCCO2)c([N+](=O)[O-])c1 to produce NS(=O)(=O)c1ccc(NCC2CN(CC(F)F)CCO2)c([N+](=O)[O-])c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.