The SMILES O=C1c2cccc3cccc(c23)C(=O)N1OS(=O)(=O)c1ccc(Cl)cc1 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}.