The SMILES O=C(CCCn1ncn2c(cc3occc32)c1=O)N1CCc2ccccc2C1 is from a molecule that is a hERG blocking compound.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.