Based on the SMILES O=[N+]([O-])c1ncccc1Oc1nc(-c2cccnc2)nc2ccccc12, the molecule is not a hERG blocker.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.