Based on the SMILES O=C1c2cccc([N+](=O)[O-])c2C(=O)N1c1c[nH]c(=O)[nH]c1=O, the molecule is not a hERG blocking compound.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.