Task: Please answer the multiple choice question.
Question: Rank these molecules from shortest to longest drug half life time in humans after IV administration.
Constraint: You must select all options from a, b, or c without using any other words.
Options:
a: Sc1ncnc2nc[nH]c12
b: CN1C(=O)CC[C@H]1c1cccnc1
c: OCCN1CCN(CCCN2c3ccccc3Sc3ccc(Cl)cc32)CC1
Answer: a
Task: Please answer the multiple choice question.
Question: Rank these molecules from shortest to longest {half_life_duration__names__noun}.
Constraint: You must select all options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%half_life_duration%}
Answer: {%multiple_choice_result}
7H-purine-6-thiol