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, or d without using any other words.
Options:
a.) CNCCC(Oc1ccc(C(F)(F)F)cc1)c1ccccc1
b.) COc1ccc2cc([C@H](C)C(=O)O)ccc2c1
c.) CC(NC(C)(C)C)C(=O)c1cccc(Cl)c1
d.) CC(NC(=O)[C@@H](N)CCC(=O)OCc1ccccc1)C(=O)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}