Based on the SMILES Cc1onc(C(=O)N2CCN(c3ccccc3)CC2)c1[N+](=O)[O-], the molecule is not a hERG blocking compound (IC50 < 10uM).
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.