Based on the SMILES representation O=C1NC(=O)C(=Cc2ccc(N3CCN(C(=O)c4ccccc4)CC3)c([N+](=O)[O-])c2)C(=O)N1, the molecule is a hERG blocker.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.