Task: Please answer the multiple choice question.
Question: Which molecule has the longest half life 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] CC(=O)Nc1c(I)c(C(=O)O)c(I)c(N(C)C(C)=O)c1I
[b] CCN(CC)CCNC(=O)c1ccc(NS(C)(=O)=O)cc1
[c] C#CCN(C)[C@H](C)Cc1ccccc1
[d] CCC(=O)O[C@](Cc1ccccc1)(c1ccccc1)[C@H](C)CN(C)C
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}