The SMILES O=C(NN1CC(=O)N(c2cc(Cl)cc(Cl)c2)CC1=O)c1sccc1Cl 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}.