The SMILES O=S(=O)(Nc1nc2c(s1)CCCC2)c1ccc2ccccc2c1 represents a molecule that is not a hERG blocker.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.