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 not sure, you must pick either a, b, or c without using any other words.
Options:
a) C[C@@H](O[C@H]1OCCN(Cc2n[nH]c(=O)[nH]2)[C@H]1c1ccc(F)cc1)c1cc(C(F)(F)F)cc(C(F)(F)F)c1
b) CN(C)Cc1nnc2n1-c1ccc(Cl)cc1C(c1ccccc1)=NC2
c) CN(C)CCCC1(c2ccc(F)cc2)OCc2cc(C#N)ccc21
Answer: c
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-[3-(dimethylamino)propyl]-3-(4-fluorocyclohexa-1,3,5-trien-1-yl)-1H-2-benzofuran-6-carbonitrile