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 other words.
Options:
[a] O=C1CN=C(c2ccccn2)c2cc(Br)ccc2N1
[b] CC(=O)NC[C@H]1CN(c2ccc(N3CCOCC3)c(F)c2)C(=O)O1
[c] COC(=O)[C@H]1[C@H]2C[C@@H]3c4[nH]c5cc(OC)ccc5c4CCN3C[C@H]2C[C@@H](OC(=O)c2cc(OC)c(OC)c(OC)c2)[C@@H]1OC
[d] O=C(/C=C/c1ccc(O)c(O)c1/C=C/c1ccc(O)c(O)c1)OC(Cc1ccc(O)c(O)c1)C(=O)O
Answer: c
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}
methyl (1R,15S,17R,18R,19S,20S)-6,18-dimethoxy-17-(3,4,5-trimethoxybenzoyl)oxy-1,3,11,12,14,15,16,17,18,19,20,21-dodecahydroyohimban-19-carboxylate