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 other words.
Options:
(a) COc1ccc2cc(C(=O)NC3(C(=O)N[C@H](Cc4ccccc4)C(=O)NCC4CCN(CC5CCOCC5)CC4)CCCC3)sc2c1
(b) O=C1CCCN1CCCCN1CCN(c2cc(C(F)(F)F)ccn2)CC1
(c) C[N+]1(C)[C@H]2CC(OC(=O)[C@H](CO)c3ccccc3)C[C@H]1C1OC12.[Br-]
(d) CN1C(=O)CC(N2CCN(CC/C=C3/c4ccccc4COc4ccc(CC(=O)O)cc43)CC2)N(C)C1=O
(e) O=C(O)C[C@H](NC(=O)[C@@H]1CCCN(C(=O)CCC2CCNCC2)C1)c1cccnc1
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}
1-[4-[4-[4-(trifluoromethyl)pyridin-2-yl]piperazin-1-yl]butyl]pyrrolidin-2-one