Using COc1cc(CCNC(C)=O)c(C(=O)Cc2cc(OC)c(OC)cc2[N+](=O)[O-])cc1OC to produce COc1cc(CCNC(C)=O)c(-c2cc3cc(OC)c(OC)cc3[nH]2)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.