Using CCOC(=O)C(Cc1c[nH]c2ccc(-c3ccc(Oc4ccccc4)cc3)cc12)[N+](=O)[O-] to produce CCOC(=O)C(N)Cc1c[nH]c2ccc(-c3ccc(Oc4ccccc4)cc3)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.