The SMILES O=C(Cn1c(-c2ccccc2)noc1=O)NCc1ccccc1 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}.