The SMILES CCC1S/C(=C(\C#N)C(N)=O)N(c2ccc(F)cc2)C1=O 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}.