The molecule with the SMILES O=C(O)CCNCC(=O)O is not a human ether-à-go-go related gene (hERG) blocking compound.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {herg_blocker#not &NULL}a {herg_blocker__names__noun}.
3-(carboxymethylamino)propanoic acid