Based on the SMILES Br.Nc1nc(-c2ccccc2)c(N=Nc2ccccc2Cl)s1, the molecule is not a hERG blocking compound (IC50 less than 10uM).
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.