The SMILES COc1cc(C(=O)N2CCN(c3ccccc3OC)CC2)c([N+](=O)[O-])cc1OC is not a hERG blocking compound.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.