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 other words.
Options:
(a) CC[C@H](C)[C@H](N)C(=O)O[C@@H]1C[C@@H](n2cc(F)c(=O)[nH]c2=O)O[C@H]1CO
(b) O=C(NC1(C(=O)N[C@H](Cc2ccccc2)C(=O)NCCCC(=O)N2CCC(N3CCOCC3)CC2)CCCC1)c1cc2ccccc2s1
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}