The molecule with the SMILES O=C(O)CN1C(=O)C(=O)N(Cc2ccc(Cl)c(Cl)c2)C1=O is not a hERG blocker.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.