Using O=[N+]([O-])c1ccc(Oc2ccccc2Oc2ccc([N+](=O)[O-])cc2)cc1 to produce Nc1ccc(Oc2ccccc2Oc2ccc(N)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.