The molecule SMILES Cc1cc(-c2cc(-c3ccc(Cl)cc3)nc(N)c2C#N)co1 is not a hERG blocking compound (IC50 less than 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.