Based on the SMILES O=c1c2ccccc2nc(-c2cccs2)n1-c1cccc2ccccc12, 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}.