Task: Please answer the multiple choice question.
Question: Which molecule has the highest Caco-2 cell permeability?
Constraint: Even if you are uncertain, you must pick either a, b, or c without using any additional words.
Options:
a: CNC(=O)[C@@H](Cc1ccccc1)NC(=O)[C@@H](C)NC(C)=O
b: CNC1(c2ccccc2Cl)CCCCC1=O
c: N=C(N)c1cccc(CC(CC(=O)N2CCNCC2)NS(=O)(=O)c2ccc3ccccc3c2)c1
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}