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, b, c, or d without using any additional words.
Options:
a) CC(C)NCC(O)c1ccc(O)c(O)c1
b) Cc1ccc(C(=O)c2cc(O)c(O)c([N+](=O)[O-])c2)cc1
c) OC(CCN1CCCCC1)(c1ccccc1)C1CC2C=CC1C2
d) COCCc1ccc(OCC(O)CNC(C)C)cc1
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}