The SMILES Cn1c(N)c(C(=O)Nc2ccc(-c3ccccc3)cc2)sc1=S is from a molecule that is not a hERG blocker.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.