Using CCOC(=O)c1nn(-c2ccc3c(c2)OCO3)c2c1COc1ccc([N+](=O)[O-])cc1-2 to produce CCOC(=O)c1nn(-c2ccc3c(c2)OCO3)c2c1COc1ccc(N)cc1-2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.