The SMILES O=C(COC(=O)c1cnc(Cl)c(Cl)c1)NCc1cccs1 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}.