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 or b without using any other words.
Options:
a: CN1CCN(c2c(F)cc3c(=O)c(C(=O)O)cn(CCF)c3c2F)CC1
b: CN(C)CCNc1ccc2c3c(nn2CCNCCO)-c2cnccc2C(=O)c13
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}