Using Cc1c(N(Cc2ccccc2)Cc2ccccc2)cccc1[N+](=O)[O-] to produce Cc1c(N)cccc1N(Cc1ccccc1)Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.