The SMILES O=C(COc1ccc2c(c1)OCO2)Nc1ccc2c(c1)oc1ccccc12 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.