Task: Please answer the multiple choice question.
Question: Which molecule has the highest Caco-2 cell effective permeability?
Constraint: Even if you are uncertain, you must pick either a, b, c, or d without using any other words.
Options:
a: Cn1c(NCCCN2CCC(CN3c4ccccc4Sc4ccc(C(=O)O)cc43)CC2)cc(=O)n(C)c1=O
b: COc1ccc([C@@H]2Sc3ccccc3N(CCN(C)C)C(=O)[C@@H]2OC(C)=O)cc1
c: NC(N)=NC(=O)c1nc(Cl)c(N)nc1N
d: COCc1ccc2c(C(C(=O)NS(=O)(=O)c3ccc(C)cc3OC)c3ccc4c(c3)OCO4)cn(C)c2c1
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}
10-[[1-[3-[(1,3-dimethyl-2,6-dioxopyrimidin-4-yl)amino]propyl]piperidin-4-yl]methyl]phenothiazine-2-carboxylic acid