The SMILES NCCNC[C@@H](O)CO is from a molecule that is not a hERG blocking compound.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that is {herg_blocker#not &NULL}a {herg_blocker__names__noun}.
(2R)-3-(2-aminoethylamino)propane-1,2-diol