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 other words.
Options:
a: CN(C)CCN(Cc1cccs1)c1ccccn1
b: CCCc1nc2c(C)cc(-c3nc4ccccc4n3C)cc2n1Cc1ccc(-c2ccccc2C(=O)O)cc1
c: C[C@H]1O[C@@H](n2cc(F)c(=O)[nH]c2=O)[C@H](O)[C@@H]1O
d: CN1CCN(c2c(F)cc3c(=O)c(C(=O)O)cn(CCF)c3c2F)CC1
e: Cc1cccc(C)c1OCC(C)N
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}