The SMILES O=C(NC(n1ccc(=O)[nH]c1=O)C(Cl)(Cl)Cl)c1ccco1 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}.