The SMILES COc1ccc(C(=O)NCCN2C(=O)S/C(=C\c3cccnc3)C2=O)cc1[N+](=O)[O-] is a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.