Using CON=C1CN(Cc2ccccc2)CC1(CN=[N+]=[N-])COS(C)(=O)=O to produce CON=C1CN(Cc2ccccc2)CC1(CN)COS(C)(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.