Task: Please answer the multiple choice question.
Question: Which molecule has the highest Caco-2 cell permeability?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
(a) CC(C)c1c(C(=O)Nc2ccccc2)c(-c2ccccc2)c(-c2ccc(F)cc2)n1CC[C@@H](O)C[C@@H](O)CC(=O)O
(b) O=C(O)COCCN1CCN(C(c2ccccc2)c2ccc(Cl)cc2)CC1
(c) CN[C@@H](C)[C@@H](O)c1ccccc1
(d) Cc1cc(CC(=O)O)n(C)c1C(=O)c1ccc(Cl)cc1
(e) CC(C)(NC(=O)c1cc2ccccc2s1)C(=O)N[C@H](Cc1ccccc1)C(=O)NCCCN1CCOCC1
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}