Task: Please answer the multiple choice question.
Question: Which molecule has the highest Caco-2 permeability?
Constraint: Even if you are not sure, you must pick either a, b, c, or d without using any other words.
Options:
a COc1ccc2cc(C(C)C(=O)[O-])ccc2c1.[Na+]
b O=C(NC(Cc1c[nH]c2ccccc12)C(=O)O)OCc1ccccc1
c CC(C)NCC(O)COc1ccc(NC=O)cc1
d Cn1c(N2CCN(CCCCN3c4ccccc4Sc4ccc(C(=O)O)cc43)CC2)cc(=O)n(C)c1=O
Answer: c
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}