Based on the SMILES O=C(CSc1nnc2scc(-c3ccccc3)n12)NCc1ccc2c(c1)OCO2, the molecule is not a hERG blocking compound (IC50 less than 10uM).
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.