The SMILES COCc1cc(Sc2ccc(Br)cc2)nc(-c2ccccc2)n1 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}.