Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest Caco-2 permeability.
Constraint: You must select all options from a or b without using any other words.
Options:
a. COC(=O)c1ccc(O)cc1
b. CCN(CC)CCCC(C)Nc1ccnc2cc(Cl)ccc12
Answer: a
Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest {permeability__names__noun}.
Constraint: You must select all options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%permeability%}
Answer: {%multiple_choice_result}