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 uncertain, you must pick either a, b, or c without using any additional words.
Options:
a.) O=C1CN=C(c2ccccn2)c2cc(Br)ccc2N1
b.) CN(C)CCCN1c2ccccc2CCc2ccc(Cl)cc21
c.) CCC(=O)N(c1ccccc1)C1(COC)CCN(CCc2cccs2)CC1
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}
7-bromo-5-pyridin-2-yl-1,3-dihydro-1,4-benzodiazepin-2-one