Based on the SMILES O=P([O-])([O-])C(Sc1ccc(Cl)cc1)P(=O)([O-])[O-], the molecule is not a hERG blocker.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {herg_blocker#not &NULL}a {herg_blocker__names__noun}.