The molecule SMILES O=C(N/N=C\c1cccc(Cl)c1)c1ccc(Cn2cc(Br)c([N+](=O)[O-])n2)o1 is not a hERG blocker.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.