Using O=[N+]([O-])c1ccc(F)cc1Nc1ncc([N+](=O)[O-])c(NCc2c(F)cccc2F)n1 to produce Nc1ccc(F)cc1Nc1ncc(N)c(NCc2c(F)cccc2F)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.