Using CCOC(=O)C(CCOc1ccccc1)Cc1ccc(OCCOS(C)(=O)=O)cc1, [N-]=[N+]=[N-] to produce CCOC(=O)C(CCOc1ccccc1)Cc1ccc(OCCN=[N+]=[N-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.