The molecule SMILES CCCC(=O)NC(=S)Nc1sc2c(c1C(N)=O)CCC2 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.