Using CCOC(=O)CC(C)=O, COc1cc(NC(N)=[NH2+])cc(OC)c1OC to produce COc1cc(Nc2nc(C)cc(=O)[nH]2)cc(OC)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.