The SMILES O=C1NC(=Nc2ccc(O)cc2)S/C1=C\C=C\c1ccco1 represents a molecule that is not a hERG blocker.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.