Using CCOC(=O)CC(=O)CCc1ccccc1, [N-]=[N+]=Nc1ccccc1 to produce O=C(O)c1nnn(-c2ccccc2)c1CCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.