The SMILES O=C(Cc1n[nH]c(=O)[nH]c1=O)N/N=C/c1ccccc1O 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}.