The SMILES Br.COc1ccc2c(c1)[C@]13CCCC[C@@H]1[C@H](C2)N(C)CC3.O is not a hERG blocking compound (IC50 less than 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.