The SMILES O=C(O)CN(CCN(CC(=O)O)CC(=O)O)CC(=O)O.[Mn+2] is not a hERG blocking compound (<10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_blocker#not &NULL}a {herg_blocker__names__noun}.
2-[2-[bis(carboxymethyl)amino]ethyl-(carboxymethyl)amino]acetic acid;manganese(2+)