The SMILES CCCNS(=O)(=O)c1cc2c3c(c1)C(C)C(=O)N3CCC2 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.