Task: Please answer the multiple choice question.
Question: Which molecule has the longest 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.) O=C(O)CCCc1ccc(N(CCCl)CCCl)cc1
b.) O=C(O)CCCc1ccc(N(CCCl)CCCl)cc1
c.) C[C@](N)(Cc1ccc(O)c(O)c1)C(=O)O
d.) CCC(=O)N(c1ccccc1)C1CCN(CCc2ccccc2)CC1
e.) CCN[C@@H](C)Cc1cccc(C(F)(F)F)c1
Answer: b
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}