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 or b without using any additional words.
Options:
a CS(=O)(=O)OCCCCOS(C)(=O)=O
b CC(=O)N[C@@H](CS)C(=O)O
Answer: b
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}
(2R)-2-acetamido-3-sulfanylpropanoic acid