The molecule SMILES O=C1NC(=Nc2ccc(O)cc2)S/C1=C\C=C\c1ccco1 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}.