The SMILES COc1ccc(C2CC(c3c(Cl)cccc3Cl)n3nc(N)nc3N2)cc1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.