The molecule SMILES O=C(O)c1cccc(N2C(=O)c3cc([N+](=O)[O-])cc4cc([N+](=O)[O-])cc(c34)C2=O)c1 is not a hERG blocking compound.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.