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, b, c, or d without using any additional words.
Options:
[a] CNC1(c2ccccc2Cl)CCCCC1=O
[b] O=C(NC(Cc1c[nH]c2ccccc12)C(=O)O)OCc1ccccc1
[c] COc1cnn(C)c(=O)c1-c1ccc(C[C@@H](CO)NC(=O)c2c(Cl)cccc2Cl)cc1
[d] Cc1cnc(NC(=O)C2=C(O)c3ccccc3S(=O)(=O)N2C)s1
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}