The SMILES Nc1c2c(nc3ccccc13)CCCC2 is from a molecule that is not a hERG blocker.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that is {herg_blocker#not &NULL}a {herg_blocker__names__noun}.
5,6,7,8-tetrahydroacridin-9-amine