Task: Please answer the multiple choice question.
Question: Which molecule has the highest Caco-2 cell effective permeability?
Constraint: Even if you are not sure, you must pick either a or b without using any additional words.
Options:
a: CC(=O)N[C@@H](C(=O)NCCc1ccccc1)C(C)C
b: COc1ccc2c(c1)[C@@]13CCCC[C@@H]1[C@@H](C2)N(C)CC3
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}