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 or b without using any additional words.
Options:
(a) C=CC1=C(C)/C(=C\c2[nH]c(Cc3[nH]c(/C=C4/NC(=O)C(C)=C4C=C)c(C)c3CCC(=O)NCCS(=O)(=O)O)c(CCC(=O)NCCS(=O)(=O)O)c2C)NC1=O
(b) CO[C@H]1C[C@@H]2CC[C@@H](C)[C@@](O)(O2)C(=O)C(=O)N2CCCC[C@H]2C(=O)O[C@H]([C@H](C)C[C@@H]2CC[C@@H](O)[C@H](OC)C2)CC(=O)[C@H](C)/C=C(\C)[C@@H](O)[C@@H](OC)C(=O)[C@H](C)C[C@H](C)/C=C/C=C/C=C/1C
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-[3-[5-[(E)-(4-ethenyl-3-methyl-5-oxopyrrol-2-ylidene)methyl]-2-[[5-[(E)-(3-ethenyl-4-methyl-5-oxopyrrol-2-ylidene)methyl]-4-methyl-3-[3-oxo-3-(2-sulfoethylamino)propyl]-1H-pyrrol-2-yl]methyl]-4-methyl-1H-pyrrol-3-yl]propanoylamino]ethanesulfonicacid