Task: Please answer the multiple choice question.
Question: Which molecule has the longest drug half life time in humans after IV administration?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a: CC1CCCC(C)N1CCCC(O)(c1ccccc1)c1ccccn1
b: CC1CCN(CCCC(=O)c2ccc(F)cc2)CC1
c: CCCc1cc(=O)[nH]c(=S)[nH]1
d: COc1ccc2[nH]c([S+]([O-])Cc3ncc(C)c(OC)c3C)nc2c1
e: Nc1ccn([C@@H]2O[C@H](CO)[C@@H](O)C2(F)F)c(=O)n1
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecule has the longest {half_life_duration__names__noun}?
Constraint: Even if you are {#uncertain|not sure!}, you must pick either {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%half_life_duration%}
Answer: {%multiple_choice_result}
4-(2,6-dimethylpiperidin-1-yl)-1-phenyl-1-pyridin-2-ylbutan-1-ol