Problem statement: Answer the multiple-choice question.
Question: Which compound has a 22.478\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a.) CC(=O)C1=C(O)C(=O)N(CCC(=O)O)C1c1ccccc1[N+](=O)[O-]
b.) COCCCn1nnnc1SCC(=O)N1c2ccccc2CC1C
Answer: b. COCCCn1nnnc1SCC(=O)N1c2ccccc2CC1C
{#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#}
COCCCn1nnnc1SCC(=O)N1c2ccccc2CC1C
COCCCn1nnnc1SCC(=O)N1c2ccccc2CC1C
2-[4-(3-methoxypropyl)tetrazol-5-yl]sulfanyl-1-(2-methyl-2,3-dihydroindol-1-yl)ethanone