Using COC(=O)c1nn(C(c2ccccc2)(c2ccccc2)c2ccccc2)c2ccc([N+](=O)[O-])cc12 to produce O=C(O)c1nn(C(c2ccccc2)(c2ccccc2)c2ccccc2)c2ccc([N+](=O)[O-])cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.