The SMILES O=C(NC(C(=O)c1ccccc1)n1ccc(=O)[nH]c1=O)c1ccccc1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.