Task: Please answer the multiple choice question.
Question: Which molecule has the highest Caco-2 cell effective permeability?
Constraint: Even if you are not sure, you must pick either a, b, c, or d without using any additional words.
Options:
a COc1ccc2cc(C(=O)NC3(C(=O)N[C@H](Cc4ccccc4)C(=O)NCC4CCN(CC5CCOCC5)CC4)CCCC3)sc2c1
b COc1cc(C(=O)N2CC[C@](CCN3CCC(C(=O)N4CCN(C)CC4)(c4cccnc4)CC3)(c3ccc(Cl)c(Cl)c3)C2)cc(OC)c1OC
c CNC(=O)[C@H](NC(=O)[C@](O)(Cc1ccccc1)CN(Cc1ccc(Br)cc1)NC(=O)[C@H](CC(=O)OC)C(C)(C)C)C(C)(C)C
d CN(CCCN1CCC(CN2c3ccccc3Sc3ccc(C(=O)O)cc32)CC1)c1cc(=O)n(C)c(=O)n1C
Answer: d
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}
10-[[1-[3-[(1,3-dimethyl-2,6-dioxopyrimidin-4-yl)-methylamino]propyl]piperidin-4-yl]methyl]phenothiazine-2-carboxylic acid