The SMILES O=C(CP(=O)(c1ccccc1)c1ccccc1)Nc1nc2ccc(Cl)cc2s1 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}.