Task: Answer the multiple-choice question.
Question: Which drug has a 17.939% 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. COCCCNC(=O)CCCn1c(=O)[nH]c2ccccc2c1=O
b. Cc1ccc(-c2ccc(/C=N/NC(=O)CN3CCOCC3)o2)cc1[N+](=O)[O-]
Answer: a. COCCCNC(=O)CCCn1c(=O)[nH]c2ccccc2c1=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#}
COCCCNC(=O)CCCn1c(=O)[nH]c2ccccc2c1=O
COCCCNC(=O)CCCn1c(=O)[nH]c2ccccc2c1=O
4-(2,4-dioxo-1H-quinazolin-3-yl)-N-(3-methoxypropyl)butanamide