Using O=[N+]([O-])c1cccc(N(Cc2ccccc2)Cc2ccccc2)c1C1OCCO1 to produce O=Cc1c(N(Cc2ccccc2)Cc2ccccc2)cccc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.