Task: Please answer the multiple choice question.
Question: Which molecule has the longest half life time in humans after IV administration?
Constraint: Even if you are not sure, you must pick either a or b without using any additional words.
Options:
[a] OC(Cn1cncn1)(Cn1cncn1)c1ccc(F)cc1F
[b] Cc1[nH]cnc1CN1CCc2c(c3ccccc3n2C)C1=O
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecule has the longest {half_life_duration__names__noun}?
Constraint: Even if you are {#uncertain|not sure!}, you must pick either {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%half_life_duration%}
Answer: {%multiple_choice_result}
2-(4,6-difluorocyclohexa-1,3,5-trien-1-yl)-1,3-bis(1,2,4-triazol-1-yl)propan-2-ol