The SMILES c1ccc(N2CCN(c3nc(-c4ccccn4)nc4ccccc34)CC2)cc1 is a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.