The molecule SMILES O=C1NC(=O)N(c2ccccc2)C(=O)/C1=C/c1ccc([N+](=O)[O-])s1 is not a human ether-à-go-go related gene (hERG) blocker.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.