Based on the SMILES O=C(O)CC1S/C(=N/N=C/c2ccc(-c3ccc(Cl)c([N+](=O)[O-])c3)o2)NC1=O, 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}.