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 other words.
Options:
(a) CNC(=O)[C@@H](Cc1ccccc1)NC(=O)[C@@H](C)NC(C)=O
(b) CCC(=O)Nc1ccc(OCC(O)CNC(C)C)cc1
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}