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, or d without using any additional words.
Options:
a. COc1ccc2c(c1)c(CC(=O)O)c(C)n2C(=O)c1ccc(Cl)cc1
b. COCc1ccc2c(C(C(=O)NS(=O)(=O)c3ccc(C)cc3OC)c3ccc4c(c3)OCO4)cn(C)c2c1
c. CN(C)CC1CCCCC1(O)c1cccc(O)c1
d. 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}
2-[1-(4-chlorobenzoyl)-5-methoxy-2-methylindol-3-yl]acetic acid