The molecule with the SMILES O=[N+]([O-])c1ccc(CSc2nnc(SCc3ccc(Cl)cc3)s2)cc1 is not a hERG blocking compound.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.