Using COc1ccc2c(c1)CC[C@H](N=[N+]=[N-])[C@@H]2c1ccccc1 to produce COc1ccc2c(c1)CC[C@H](N)[C@@H]2c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.