The molecule SMILES Clc1ccc2[nH]c3c(c2c1)CCc1cn[nH]c1-3 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}.