Task: Answer the multiple-choice question.
Query: Which compound has a 7.881\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] COc1ccc(OC)c(C2NC(=O)NC(C)=C2C(=O)OCc2ccccc2)c1
[b] CCn1c(=O)c(-c2ccccc2)c(O)c2ccccc21
[c] CC12CCC(C(=O)Nc3ccccc3Cl)([C@H](Br)C1=O)C2(C)C
Answer: b. CCn1c(=O)c(-c2ccccc2)c(O)c2ccccc21
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__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_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCn1c(=O)c(-c2ccccc2)c(O)c2ccccc21
CCn1c(=O)c(-c2ccccc2)c(O)c2ccccc21
1-ethyl-4-hydroxy-3-phenylquinolin-2-one