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, d, or e without using any additional words.
Options:
[a] Nc1ccn([C@@H]2CS[C@H](CO)O2)c(=O)n1
[b] O=C(O)C(O)Cc1ccc(O)c(O)c1
[c] O=C(O)c1ccccc1
[d] CCCOC(=O)c1ccc(O)cc1
[e] CNC(=O)[C@@H](Cc1ccccc1)NC(=O)[C@@H](C)NC(C)=O
Answer: d
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}