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, c, d, or e without using any additional words.
Options:
a. CCOC(=O)c1ccc(O)cc1
b. Oc1cccc2ccccc12
c. Cc1cn([C@H]2C[C@H]([N-][NH+]=N)[C@@H](CO)O2)c(=O)[nH]c1=O
d. CCCCCCCC/C=C\CCCCCCCC(=O)OCC/C=C/c1ccc(OC)c(OC)c1
e. COc1cc(N)c(Cl)cc1C(=O)NC1CCN(CCCOc2ccc(F)cc2)CC1OC
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}