Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 2.021% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) COc1ccc2c(c1)O/C(=C\c1ccccc1C)C2=O
(b) CC1Cn2c(nnc2-c2cccc(Cl)c2)S1
Answer: a. COc1ccc2c(c1)O/C(=C\c1ccccc1C)C2=O
{#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#}
COc1ccc2c(c1)O/C(=C\c1ccccc1C)C2=O
COc1ccc2c(c1)O/C(=C\c1ccccc1C)C2=O
(2Z)-6-methoxy-2-[(2-methylphenyl)methylidene]-1-benzofuran-3-one