Using O=C1CC(c2cccc([N+](=O)[O-])c2)c2ccc3ccccc3c2N1 to produce Nc1cccc(C2CC(=O)Nc3c2ccc2ccccc32)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.