Task: Please answer the multiple choice question.
Question: Which molecule has the longest drug 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) Cc1ccc(-c2nc3ccc(C)cn3c2CC(=O)N(C)C)cc1
b) CC(CC(c1ccccc1)c1ccccc1)NC(C)(C)C
c) COc1ccc(CCNCC(O)COc2cccc(C)c2)cc1OC
d) CCCn1c(=O)[nH]c(=O)c2[nH]cnc21
Answer: d
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}
3-propyl-7H-purine-2,6-dione