The SMILES O=C(N/N=C/c1cccc([N+](=O)[O-])c1)c1ccc2c(c1)OCCO2 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}.