Using CN(C)C=O, O=[N+]([O-])c1cnc2c(c1)c(Br)cn2S(=O)(=O)c1ccccc1 to produce CN(C)c1c[nH]c2ncc([N+](=O)[O-])cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.