Task: Please answer the multiple choice question.
Question: Which molecule has the longest half life in humans after IV administration?
Constraint: Even if you are uncertain, you must pick either a, b, or c without using any other words.
Options:
a.) Nc1nc(N)c2nc(-c3ccccc3)c(N)nc2n1
b.) CCC(=O)N(c1ccccc1)C1(COC)CCN(CCc2cccs2)CC1
c.) CCC(=O)C(CC(C)N(C)C)(c1ccccc1)c1ccccc1
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}
6-phenylpteridine-2,4,7-triamine