The molecule with the SMILES O=C(CCc1nc2sc3c(c2c(=O)[nH]1)CCCC3)NCC(=O)Nc1ccccc1Br is not a hERG blocking compound (IC50 < 10uM).
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.