The molecule with the SMILES O=C(Nc1ccc(Cl)cn1)c1ccc(Br)c(S(=O)(=O)N2CCCCC2)c1 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}.