Task: Please answer the multiple choice question.
Question: Which molecule has the highest Caco-2 permeability?
Constraint: Even if you are not sure, you must pick either a, b, c, or d without using any additional words.
Options:
a. C[C@@H]1O[C@@H](O[C@H]2[C@H](Oc3cc(O)c4c(c3)O[C@H](c3ccc(O)cc3)CC4=O)O[C@H](CO)[C@@H](O)[C@@H]2O)[C@H](O)[C@H](O)[C@H]1O
b. Cn1cnc(S(=O)(=O)N(CCN(Cc2cncn2C)c2ccc(C#N)cc2)CC2CCCCC2)c1
c. COc1ccc(-c2cc(=O)c3c(O)cc(OC4O[C@H](CO[C@@H]5OC[C@@H](O)[C@H](O)[C@H]5O)[C@@H](O)[C@H](O)[C@H]4O)cc3o2)cc1O
d. O=C(NC1(C(=O)N[C@H](Cc2ccccc2)C(=O)NCC2CCN(CC3CCOCC3)CC2)CCCC1)c1cc2ccc(C(F)(F)F)cc2s1
Answer: c
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}
2-(4-methoxy-3-oxidanyl-phenyl)-5-oxidanyl-7-[(3R,4S,5S,6R)-3,4,5-tris(oxidanyl)-6-[[(2S,3R,4S,5R)-3,4,5-tris(oxidanyl)oxan-2-yl]oxymethyl]oxan-2-yl]oxy-chromen-4-one