The molecule SMILES O=S1(=O)CCO[C@H]2Cc3ccccc3[C@H]2N1Cc1ccc(Cl)cc1 is not a hERG blocking compound.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.