The SMILES O=C(NCCN1C(=O)S/C(=C\c2ccccc2)C1=O)c1cc(S(=O)(=O)N2CCOCC2)c(Cl)cc1Cl is not a hERG blocker.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.