The SMILES c1ccc(-c2nnn(C34CC5CC(CC(C5)C3)C4)n2)cc1 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}.