Task: Please answer the multiple choice question.
Question: Which molecule has the highest Caco-2 permeability?
Constraint: Even if you are uncertain, you must pick either a or b without using any additional words.
Options:
a. COC(=O)c1c(Cl)cc(Cl)cc1-c1cnc([C@@H](C)NC(=O)C2(NC(=O)C(F)(F)F)CC2)c(F)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