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, b, c, d, or e without using any additional words.
Options:
a CCCCc1oc2ccc(NS(C)(=O)=O)cc2c1C(=O)c1ccc(OCCCN(CCCC)CCCC)cc1
b OC[C@@H]1O[C@@](O)(CO)[C@H](O)[C@H]1O[C@@H]1O[C@H](CO)[C@H](O)[C@H](O)[C@H]1O
c CC(C)(C)NC(=O)[C@@H]1CN(Cc2cccnc2)CCN1C[C@@H](O)C[C@@H](Cc1ccccc1)C(=O)N[C@H]1c2ccccc2C[C@H]1O
d O=C(O)C[C@H](NC(=O)[C@@H]1CCCN(C(=O)CCC2CCNCC2)C1)c1cccnc1
e CCOC(=O)c1c(Cl)cc(Cl)cc1-c1cnc([C@@H](C)NC(=O)C2(NC(=O)C(F)(F)F)CC2)c(F)c1
Answer: a
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-[2-butyl-3-[4-[3-(dibutylamino)propoxy]benzoyl]-1-benzofuran-5-yl]methanesulfonamide