Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest Caco-2 cell permeability.
Constraint: You must select all options from a or b without using any additional words.
Options:
(a) O=C(NC(Cc1c[nH]c2ccccc12)C(=O)O)OCc1ccccc1
(b) CC(=O)N[C@H](C)C(=O)NCCc1ccccc1
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}