The SMILES O=C(CSc1nnc(-c2cccnc2)n1Cc1ccco1)c1ccc(Br)cc1 is a hERG blocking compound (IC50 less than 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.