The SMILES O=P(c1ccccc1)(c1ccccc1)C(O)c1ccccn1 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}.