The SMILES c1ccc2[nH]c(CN3CCN(c4ncnc5c4oc4ccccc45)CC3)nc2c1 is a hERG blocking compound (IC50 less than 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.