The SMILES O=C(c1ccc(N2CCN(S(=O)(=O)c3ccccc3)CC2)c([N+](=O)[O-])c1)N1CCOCC1 is not a hERG blocker.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.