The molecule with the SMILES O=c1cc(CSc2nnc(-c3ccccc3)o2)c2ccccc2[nH]1 is not a hERG blocking compound (IC50 less than 10uM).
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.