Based on the SMILES O=C(O)C1CCN(c2ccc([N+](=O)[O-])cc2[N+](=O)[O-])CC1, 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}.