The SMILES O=C(CSc1nccn(-c2ccc3c(c2)OCCO3)c1=O)Nc1ccccc1 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}.