The molecule SMILES CCc1nc2sc3c(c2c(=O)n1NC(=O)CCl)CCCC3 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}.