Using CC(=O)O, COc1cc2cc(CO)c(CO)c(-c3ccnc(NN)c3)c2cc1OC to produce COc1cc2cc(CO)c(CO)c(-c3ccnc(NNC(C)=O)c3)c2cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.