The molecule SMILES O=[N+]([O-])c1cc(-c2nnc(C34CC5CC(CC(C5)C3)C4)o2)cc([N+](=O)[O-])c1 is not a human ether-à-go-go related gene (hERG) blocker.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.