The SMILES CCCCC1(Cc2cccc([N+](=O)[O-])c2)C(=O)N(c2ccccc2)N(c2ccccc2)C1=O is not a hERG blocking compound.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.