The SMILES COC(=O)C1=NNCC12CC(=O)N(c1ccc(Br)cc1)C2=O is not a human ether-à-go-go related gene (hERG) blocking compound.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.