The molecule SMILES O=C1C=CC2C(c3ccc4c(c3)OCO4)CC1N2Cc1ccccc1 is not a hERG blocking compound (IC50 less than 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.