Problem statement: Answer the multiple-choice question.
Question: Which drug has a 21.760% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: COc1ccc(CCN2CC(O)=C(c3nc4ccccc4c(=O)[nH]3)C2=N)cc1OC
b: COc1ccccc1N1CCN(C(=O)c2noc(C)c2[N+](=O)[O-])CC1
c: O=S(=O)(c1ccc2[nH]ccc2c1)N1CCCCCC1
Answer: b. COc1ccccc1N1CCN(C(=O)c2noc(C)c2[N+](=O)[O-])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#}
COc1ccccc1N1CCN(C(=O)c2noc(C)c2[N+](=O)[O-])CC1
COc1ccccc1N1CCN(C(=O)c2noc(C)c2[N+](=O)[O-])CC1
[4-(2-methoxyphenyl)piperazin-1-yl]-(5-methyl-4-nitro-1,2-oxazol-3-yl)methanone