The molecule with the SMILES NC(N)=NC[C@@H](N)C(=O)O is not a hERG blocker.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {herg_blocker#not &NULL}a {herg_blocker__names__noun}.
(2R)-2-amino-3-(diaminomethylideneamino)propanoic acid