Using O=[N+]([O-])c1cccc(P(=O)(O)c2cccc([N+](=O)[O-])c2)c1 to produce Nc1cccc(P(=O)(O)c2cccc(N)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.