The molecule with the SMILES NC(=O)NOC[C@H]1NC(=O)NC1=O is not a hERG blocker.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {herg_blocker#not &NULL}a {herg_blocker__names__noun}.
[(4R)-2,5-dioxoimidazolidin-4-yl]methoxyurea