The SMILES CCCn1c(C(C)NS(=O)(=O)c2ccccc2)n[nH]c1=S is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.