The SMILES COc1cccc(N2C(=O)Nc3ccc(Br)cc3C2(O)C(=O)NCCCOC(C)C)c1 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}.