Task: Answer the MCQ question.
Query: Which compound has a 20.280% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a CCOC(=O)Cn1cnc2sc3c(c2c1=O)CCC3
b CCOC(=O)c1cc(-c2ccc3c(c2)OCCO3)n[nH]1
Answer: b. CCOC(=O)c1cc(-c2ccc3c(c2)OCCO3)n[nH]1
{#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#}
CCOC(=O)c1cc(-c2ccc3c(c2)OCCO3)n[nH]1
CCOC(=O)c1cc(-c2ccc3c(c2)OCCO3)n[nH]1
ethyl 3-(2,3-dihydro-1,4-benzodioxin-6-yl)-1H-pyrazole-5-carboxylate