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 Clc1ccc(C2CN3CCN=C3c3ccccc32)cc1
b Cn1c(N2CCN(CCCCN3c4ccccc4Sc4ccc(C(=O)O)cc43)CC2)cc(=O)n(C)c1=O
c NCCCC[C@H](N[C@@H](CCc1ccccc1)C(=O)O)C(=O)N1CCC[C@H]1C(=O)O
d COC(=O)c1cc(O)c(O)c(O)c1
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}