Task: Please answer the multiple choice question.
Question: Rank these molecules from shortest to longest half life time in humans after IV administration.
Constraint: You must select all options from a or b without using any other words.
Options:
a: O=C(N[C@H](CO)[C@H](O)c1ccc([N+](=O)[O-])cc1)C(Cl)Cl
b: COc1ccc2c(c1)N(C[C@H](C)CN(C)C)c1ccccc1S2
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}