Task: Please answer the multiple choice question.
Question: Which molecule has the highest Caco-2 cell permeability?
Constraint: Even if you are not sure, you must pick either a or b without using any other words.
Options:
a) O=C(O)COCCN1CCN(C(c2ccccc2)c2ccc(Cl)cc2)CC1
b) CC(=O)N[C@H](CC(C)C)C(=O)NCCc1ccccc1
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}