The molecule SMILES O=C(Nc1ccc2nc3n(c(=O)c2c1)CCCC3)c1ccc(Cl)nc1 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}.