The molecule with the SMILES O=C1CN(O)C=C2N=c3ccccc3=C2N1c1ccc([N+](=O)[O-])cc1 is not a human ether-à-go-go related gene (hERG) blocking compound.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.