The SMILES CC1(C)Cc2cccc(Oc3cc(NN4CCCCC4)c([N+](=O)[O-])cc3[N+](=O)[O-])c2O1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.