The molecule with the SMILES Br.O=[N+]([O-])c1ccc(CSC2=NCCN2)cc1 is not a hERG blocking compound (IC50 < 10uM).
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.