The SMILES O=[N+]([O-])c1ccc(Nc2nc(NC3CCCCC3)nc(N3CCCC3)n2)cc1 is not a human ether-à-go-go related gene (hERG) blocking compound.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.