Task: Please answer the multiple choice question.
Question: Which molecule has the highest Caco-2 permeability?
Constraint: Even if you are not sure, you must pick either a or b without using any additional words.
Options:
a: NC(=O)Cc1cc(/N=N/c2ccc(S(=O)(=O)Nc3ccccn3)cc2)ccc1O
b: O=C(NC(Cc1c[nH]c2ccccc12)C(=O)O)OCc1ccccc1
Answer: b
Task: Please answer the multiple choice question.
Question: Which molecule has the highest {permeability__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%permeability%}
Answer: {%multiple_choice_result}