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 not sure, you must pick either a, b, c, or d without using any other words.
Options:
a) Nc1c(CC(=O)O)cccc1C(=O)c1ccc(Br)cc1
b) CCN[C@@H](C)Cc1cccc(C(F)(F)F)c1
c) C#C[C@]1(O)CC[C@H]2[C@@H]3CCc4cc(OS(=O)(=O)O)ccc4[C@H]3CC[C@@]21C
d) N[C@@H](Cc1ccc(N(CCCl)CCCl)cc1)C(=O)O
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}