The SMILES Nc1nc(N2CCN(C(c3ccccc3)c3ccccc3)CC2)n[nH]1 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}.