Using CCOC(=O)[C@H]1[C@@H]2C=C[C@](N=[N+]=[N-])(C(=O)OCc3ccccc3)[C@@H]21 to produce CCOC(=O)[C@H]1[C@@H]2C=C[C@](N)(C(=O)OCc3ccccc3)[C@@H]21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.