The SMILES O=C1c2ccccc2S(=O)(=O)N1CCOc1ccccc1 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}.