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, c, or d without using any additional words.
Options:
a CC1(C)S[C@@H]2[C@H](NC(=O)C(c3ccccc3)S(=O)(=O)O)C(=O)N2[C@H]1C(=O)O
b O=C1CCC(N2C(=O)c3ccccc3C2=O)C(=O)N1
c O=c1[nH]cc(F)c(=O)[nH]1
d CCCC[C@@H]1CC(=O)[C@]2(O)O[C@@H]3[C@@H](NC)[C@@H](O)[C@@H](NC)[C@H](O)[C@H]3O[C@@H]2O1
Answer: b
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