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, or c without using any additional words.
Options:
a. O=C1CCC(N2C(=O)c3ccccc3C2=O)C(=O)N1
b. O=C1CN=C(c2ccccc2)c2cc([N+](=O)[O-])ccc2N1
c. CCCC(C)C1(CC)C(=O)NC(=O)NC1=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-(2,6-dioxopiperidin-3-yl)isoindole-1,3-dione