Based on the SMILES O=C(CSc1n[nH]c(-c2cccnc2)n1)Nc1ccc([N+](=O)[O-])cc1Br, the molecule is not a hERG blocking compound (IC50 < 10uM).
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.