The SMILES Cn1cc([N+](=O)[O-])c(C(=O)NCc2cc3cc(Cl)ccc3[nH]2)n1 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}.