Task: Please answer the multiple choice question.
Question: Which molecule has the highest Caco-2 cell permeability?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a) COCCc1ccc(OCC(O)CNC(C)C)cc1
b) C=C(c1ccccc1)C1OCC(NC(=O)Cc2ccccc2)CO1
c) Oc1cc(O)c2c(c1)OC(c1ccc(O)c(O)c1)C(O)C2
d) O=C(O)c1ccccc1
e) CC(NC(=O)[C@@H](N)COCc1ccccc1)C(=O)O
Answer: e
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}