The SMILES NCCSS(=O)(=O)CCN is from a molecule that is not a human ether-à-go-go related gene (hERG) blocking compound.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that is {herg_blocker#not &NULL}a {herg_blocker__names__noun}.
2-(2-aminoethylsulfanylsulfonyl)ethanamine