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, b, c, or d without using any additional words.
Options:
a: Cc1cc(COc2ccc(C(=O)N[C@@H]3CC4(C[C@@H]3C(=O)NO)OCCO4)cc2)c2ccccc2n1
b: COc1cc(C(=O)N2CC[C@](CCN3CCC(C(=O)N4CCN(C)CC4)(c4cccnc4)CC3)(c3ccc(Cl)c(Cl)c3)C2)cc(OC)c1OC
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: CCCCc1nc(Cl)c(CO)n1Cc1ccc(-c2ccccc2-c2nnn[nH]2)cc1
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}
(7S,8R)-N-hydroxy-8-[[4-[(2-methylquinolin-4-yl)methoxy]benzoyl]amino]-1,4-dioxaspiro[4.4]nonane-7-carboxamide