The molecule SMILES O=C(COc1cccnc1[N+](=O)[O-])N1N=C(c2ccc(Cl)cc2)CC1c1ccco1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.