Using COc1cc(Nc2ccccc2[N+](=O)[O-])ccc1C(=O)c1ccccc1C to produce COc1cc(Nc2ccccc2N)ccc1C(=O)c1ccccc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.