The molecule SMILES O=C(O)CC(C(=O)O)n1nc(-c2ccccc2)cc1-c1ccccc1 is not a hERG blocking compound (IC50 less than 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.