The SMILES O=C1N=c2ccccc2=[N+]1CCC[NH+]1CCC([N+]2=c3ccc(Cl)cc3=NC2=O)CC1 is a hERG blocking compound.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_blocker#not &NULL}a {herg_blocker__names__noun}.
1-[3-[4-(5-chloranyl-2-oxidanylidene-benzimidazol-1-ium-1-yl)piperidin-1-ium-1-yl]propyl]benzimidazol-1-ium-2-one