User: I'm searching for the SMILES of a molecule with a half life time in humans after IV administration value close to 6.600 hours.
Assistant: This molecule has a half life time in humans after IV administration value of approximately 6.600 hours: O=P1(NCCCl)OCCCN1CCCl
User: I'm {#searching|looking!} for the {SMILES__description} of a molecule with a {half_life_duration__names__noun} value close to {half_life_duration#} {half_life_duration__units}.
Assistant: This molecule has a {half_life_duration__names__noun} value of approximately {half_life_duration#} {half_life_duration__units}: {SMILES#}
N,3-bis(2-chloroethyl)-2-oxo-1,3,2λ5-oxazaphosphinan-2-amine