Using [N-]=[N+]=NCc1ccccc1-c1ccccc1, COC(=O)CC(C)=O to produce COC(=O)c1nnn(Cc2ccccc2-c2ccccc2)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.