Task: Answer the multiple choice question.
Question: Which drug has a -66.250% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CCCC(c1nnnn1CCOC)N1CCN(c2nc3ccccc3s2)CC1
b: COc1ccc(NC(=O)COC(=O)c2n[nH]c3ccccc23)c(OC)c1
Answer: a. CCCC(c1nnnn1CCOC)N1CCN(c2nc3ccccc3s2)CC1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCCC(c1nnnn1CCOC)N1CCN(c2nc3ccccc3s2)CC1
CCCC(c1nnnn1CCOC)N1CCN(c2nc3ccccc3s2)CC1
2-[4-[1-[1-(2-methoxyethyl)tetrazol-5-yl]butyl]piperazin-1-yl]benzo[d][1,3]thiazole