The molecule SMILES Nc1nc2n(n1)C(=O)CC(c1ccccc1[N+](=O)[O-])N2 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}.