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 or b without using any additional words.
Options:
a. CC(C)(C)NCC(O)COc1ccc(NC(=O)NC2CCCCC2)cc1
b. O=C(O)c1ccccc1-c1c2ccc(=O)cc-2oc2cc(O)ccc12
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-(6-hydroxy-3-oxoxanthen-9-yl)benzoicacid