Using O=[N+]([O-])c1ccccc1Oc1ccc2c(c1)CCC(c1ccccc1)O2 to produce Nc1ccccc1Oc1ccc2c(c1)CCC(c1ccccc1)O2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.