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, c, or d without using any additional words.
Options:
a) CSc1ccc(C(=O)c2[nH]c(=O)[nH]c2C)cc1
b) CCCCN1CCCCC1C(=O)Nc1c(C)cccc1C
c) CN(C)CCCC1(c2ccc(F)cc2)OCc2cc(C#N)ccc21
d) O=C1CCc2ccc(OCCCCN3CCN(c4cccc(Cl)c4Cl)CC3)cc2N1
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}
4-methyl-5-(4-methylsulfanylbenzoyl)-1,3-dihydroimidazol-2-one