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) O=C(CCCCCCC(=O)Nc1ccccc1)NO
b) O=C(NC1(C(=O)N[C@@H](Cc2ccccc2)C(=O)NCCCN2CCOCC2)CCCC1)c1cc2ccccc2s1
c) CC(=O)Nc1ccc(O)cc1
Answer: c
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}