Task: Please answer the multiple choice question.
Question: Rank these molecules from shortest to longest half life in humans after IV administration.
Constraint: You must select all options from a, b, c, or d without using any other words.
Options:
a. CCOC(=O)[C@@H]1C2CCC(C[C@@H]1OC(=O)c1ccccc1)N2C
b. Cc1ccccc1OCC(O)CNCCOc1ccc(C(N)=O)cc1
c. NC[C@H]1O[C@H](O[C@@H]2[C@@H](N)C[C@@H](N)[C@H](O[C@H]3O[C@H](CO)[C@@H](O)[C@H](N)[C@H]3O)[C@H]2O)[C@H](N)C[C@@H]1O
d. CO[C@@]12CC[C@@]3(C[C@@H]1[C@](C)(O)C(C)(C)C)[C@H]1Cc4ccc(O)c5c4[C@@]3(CCN1CC1CC1)[C@H]2O5
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}
ethyl (2R,3S)-3-benzoyloxy-8-methyl-8-azabicyclo[3.2.1]octane-2-carboxylate