What is the drug half life time in humans after IV administration value for the SMILES O=C(N[C@H](CO)[C@H](O)c1ccc([N+](=O)[O-])cc1)C(Cl)Cl:4.600
What is the {half_life_duration__names__noun} value for the {SMILES__description} {SMILES#}:{half_life_duration#}