Using CCCCn1c(=O)c(C2=NS(=O)(=O)c3ccccc3N2)c(Cl)c2cccnc21, [N-]=[N+]=[N-] to produce CCCCn1c(=O)c(C2=NS(=O)(=O)c3ccccc3N2)c(N=[N+]=[N-])c2cccnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.