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, or c without using any additional words.
Options:
a. O=C(O)Cc1ccccc1Nc1c(Cl)cccc1Cl
b. CC1=NS(=O)(=O)c2cc(Cl)ccc2N1
c. NCCCC[C@H](NC(=O)[C@@H](Cc1cc(Br)c(O)c(Br)c1)NC(=O)N1CCC(N2Cc3ccccc3NC2=O)CC1)C(=O)N1CCN(c2ccncc2)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}
2-[2-(2,6-dichloroanilino)phenyl]aceticacid