User: Can you tell me the half life in humans after IV administration for the molecule with the SMILES O=NN(CCCl)C(=O)NCCCl?
Assistant: Based on my analysis, the half life in humans after IV administration for this molecule is approximately 0.370 hours.
User: Can you {#tell me|derive|estimate!} the {half_life_duration__names__noun} for the molecule with the {SMILES__description} {SMILES#}?
Assistant: Based on my analysis, the {half_life_duration__names__noun} for this molecule is approximately {half_life_duration#} {half_life_duration__units}.
1,3-bis(2-chloroethyl)-1-nitrosourea