Using CCOC(=O)Cn1c(-c2cc3c(cc2[N+](=O)[O-])OCO3)nc2ccccc21 to produce CCOC(=O)Cn1c(-c2cc3c(cc2N)OCO3)nc2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.