The molecule SMILES O=C(Cn1c(=O)oc2cccnc21)Nc1ccccc1Oc1ccc(Cl)cc1Cl is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.