The SMILES O=C(NCCN1C(=O)S/C(=C\c2cccnc2)C1=O)c1ccc([N+](=O)[O-])s1 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}.