The SMILES Cc1cc(C=C2C(=O)NC(=S)NC2=O)c(C)n1C1CCCC1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.