Using CS(=O)(=O)OCCN=[N+]=[N-], O=[N+]([O-])c1ccc2c(c1)CCNCC2 to produce [N-]=[N+]=NCCN1CCc2ccc([N+](=O)[O-])cc2CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.