The SMILES O=C1CS/C(=N\C(=O)N2c3ccccc3Sc3ccccc32)N1 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}.