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 other words.
Options:
a. Clc1ccc(C2CN3CCN=C3c3ccccc32)cc1
b. O=C(NC1(C(=O)N[C@H](Cc2ccccc2)C(=O)NCC2CCN(C3CCOCC3)CC2)CCCC1)c1cc2ccccc2s1
c. COc1cc(N)c(Cl)cc1C(=O)NC1CCN(CCCOc2ccc(F)cc2)CC1OC
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}