The SMILES O=C(O)CCc1ccc(-c2ccc(Cl)cc2)n1CCC(=O)O 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}.