The SMILES Cn1c(SCC(=O)Nc2ccc3[nH]c(=O)[nH]c3c2)nnc1-c1ccccc1 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}.