The molecule SMILES COc1ccc(N2C(=O)NC(=O)/C(=C\c3ccc([N+](=O)[O-])s3)C2=O)cc1 is not a hERG blocker.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.