The molecule SMILES O=C(Nc1ccc([N+](=O)[O-])cc1)c1ccc(S(=O)(=O)N2CCCC2)cc1 is not a hERG blocker.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.