The molecule SMILES O=C1NC(c2cc(Cl)cc([N+](=O)[O-])c2O)Nc2ccccc21 is not a human ether-à-go-go related gene (hERG) blocking compound.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.