Task: Answer the multiple choice question.
Question: Which compound has a 16.771% 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. CCNC(=O)CC1C(=O)N(c2ccc(OC)cc2)C(=O)N1CCOC
b. Cc1ccc(-c2nnc(CSc3nnc(COc4cccc5ccccc45)n3-c3ccccc3)o2)cc1
Answer: a. CCNC(=O)CC1C(=O)N(c2ccc(OC)cc2)C(=O)N1CCOC
{#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#}
CCNC(=O)CC1C(=O)N(c2ccc(OC)cc2)C(=O)N1CCOC
CCNC(=O)CC1C(=O)N(c2ccc(OC)cc2)C(=O)N1CCOC
N-ethyl-2-[1-(4-methoxyphenyl)-3-(2-methoxyethyl)-2,5-dioxoimidazolidin-4-yl]acetamide