The SMILES O=C(O)CCn1c(O)c(C=C2N=c3ccccc3=N2)sc1=S represents a molecule that is not a hERG blocking compound.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.