Using O=[N+]([O-])c1cccc(C=C2c3ccccc3C=Cc3ccccc32)c1 to produce Nc1cccc(C=C2c3ccccc3C=Cc3ccccc32)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.