The molecule SMILES CCCCCc1ccc(-c2cn(CCc3c[nH]c4ccccc34)nn2)cc1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.