The SMILES O=C(Cc1ccccc1[N+](=O)[O-])Nc1cccc(S(=O)(=O)NC2=NCCCCC2)c1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.