Task: Please answer the multiple choice question.
Question: Which molecule has the highest Caco-2 cell permeability?
Constraint: Even if you are not sure, you must pick either a or b without using any other words.
Options:
a. CC(=O)CCCCn1c(=O)c2c(ncn2C)n(C)c1=O
b. O=C(NC1(C(=O)N[C@H](Cc2ccccc2)C(=O)NCC2CCN(CC3CCOCC3)CC2)CCCC1)c1cc2ccc(C(F)(F)F)cc2s1
Answer: b
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}
N-[1-[[(2R)-1-[[1-(oxan-4-ylmethyl)piperidin-4-yl]methylamino]-1-oxo-3-phenylpropan-2-yl]carbamoyl]cyclopentyl]-6-(trifluoromethyl)-1-benzothiophene-2-carboxamide