The SMILES O=[N+]([O-])c1ccc(-c2c(-c3ccccc3)ncc3ccc(F)cc23)cc1 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}.