Based on the SMILES O=c1cc(-c2ccc([N+](=O)[O-])cc2)c2cc3c(cc2[nH]1)OCCO3, 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}.