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.) CCC1(c2cccc(O)c2)CCCCN(C)C1
b.) CC(NCCc1ccc(O)cc1)C(O)c1ccc(O)cc1
c.) CNCC[C@@H](Oc1ccccc1C)c1ccccc1
d.) CC(C)(C)NCC(O)c1cc(O)cc(O)c1
Answer: b
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}