The SMILES NC(=O)c1ccccc1Nc1nc2nc3ccccc3c(=O)n2cc1Br 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}.