Using CS(=O)(=O)OCCC1CCN(C(=N)NC(=O)OCc2ccccc2)CC1, [N-]=[N+]=[N-] to produce [N-]=[N+]=NCCC1CCN(C(=N)NC(=O)OCc2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.