The SMILES COc1ccc(-c2nn(CCC#N)cc2C(=O)Nc2ccc(C(C)=O)cc2)cc1[N+](=O)[O-] 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}.