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, b, c, d, or e without using any additional words.
Options:
[a] CCOC(=O)[C@H](CCc1ccccc1)N[C@@H](C)C(=O)N1CCC[C@H]1C(=O)O
[b] CC[C@H](C)[C@H](N)C(=O)O[C@@H]1C[C@@H](n2cc(F)c(=O)[nH]c2=O)O[C@H]1CO
[c] CC(C)NCC(O)COc1ccc(COCCOC(C)C)cc1
[d] Oc1cccc2ccccc12
[e] C[C@H](NC(=O)[C@H](N)Cc1ccccc1)C(=O)N[C@H](CO)C(=O)O
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}