The molecule SMILES NCCCC[C@H](N[C@@H](CCc1ccccc1)C(=O)O)C(=O)N1CCC[C@H]1C(=O)O has a half life in humans after IV administration of 42.000 hours.
The {#molecule |!}{SMILES__description} {SMILES#} has a {half_life_duration__names__noun} of {half_life_duration#} {half_life_duration__units}.