The molecule SMILES O=Cc1c(N2CCN(c3cccc(Cl)c3)CC2)nc2ccccn2c1=O is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.