Task: Please answer the multiple choice question.
Question: Which molecule has the highest Caco-2 cell effective permeability?
Constraint: Even if you are uncertain, you must pick either a or b without using any other words.
Options:
(a) Cn1cnc(S(=O)(=O)N(CCN(Cc2cncn2C)c2ccc(C#N)cc2)CC2CCCCC2)c1
(b) OC[C@@H]1O[C@@](O)(CO)[C@H](O)[C@H]1O[C@@H]1O[C@H](CO)[C@H](O)[C@H](O)[C@H]1O
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}
(2S,3R,4S,5R,6R)-2-[(2S,3R,4R,5S)-2,5-bis(hydroxymethyl)-4,5-bis(oxidanyl)oxolan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol