The SMILES Brc1ccc(-c2noc3c2-c2nc(C4CCCCC4)sc2CC3)cc1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.