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 not sure, you must pick either a, b, c, or d without using any other words.
Options:
a. Nc1cc(-c2ccncc2)c[nH]c1=O
b. CN1Cc2c(N)cccc2C(c2ccccc2)C1
c. CN1CCOC(c2ccccc2)c2ccccc2C1
d. CC(=O)CC(c1ccccc1)c1c(O)c2ccccc2oc1=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}
3-amino-5-pyridin-4-yl-1H-pyridin-2-one