The SMILES CCn1c2ccccc2c2cc(NC(=O)c3ccc(C)c([N+](=O)[O-])c3)ccc21 is not a hERG blocking compound (IC50 less than 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.