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 other words.
Options:
[a] CC(=O)NC[C@H]1CN(c2ccc(-c3ccc(C#N)nc3)c(F)c2)C(=O)O1
[b] NC(N)=N/N=C/c1c(Cl)cccc1Cl
[c] CNC(=O)[C@@H](Cc1ccccc1)NC(=O)[C@@H](CC(C)C)NC(C)=O
[d] Cc1ccc(NC(=O)c2nscc2NCc2ccncc2)cc1C(F)(F)F
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}