Task: Please answer the multiple choice question.
Question: Which molecule has the highest Caco-2 permeability?
Constraint: Even if you are uncertain, you must pick either a or b without using any additional words.
Options:
a. O=c1[nH]c(=O)n([C@H]2O[C@@H](CO)[C@H](O)[C@H]2O)cc1/C=C/Br
b. NC(N)=N/N=C/c1c(Cl)cccc1Cl
Answer: a
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}