Using COc1cc(OC)c(Cl)c(-c2cnc3nc(Nc4c(C)cccc4[N+](=O)[O-])ncc3c2)c1Cl to produce COc1cc(OC)c(Cl)c(-c2cnc3nc(Nc4c(C)cccc4N)ncc3c2)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.