Task: Please answer the multiple choice question.
Question: Which molecule has the highest Caco-2 permeability?
Constraint: Even if you are not sure, you must pick either a or b without using any additional words.
Options:
a CN(CCCN1CCC(CN2c3ccccc3Sc3ccc(C(=O)O)cc32)CC1)c1cc(=O)n(C)c(=O)n1C
b N=C(N)NC(=O)c1nc(Cl)c(N)nc1N
Answer: b
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}
3,5-bis(azanyl)-N-carbamimidoyl-6-chloranyl-pyrazine-2-carboxamide