Task: Answer the multiple-choice question.
Query: Which compound has a -17.475% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] O=c1[nH]nc(-c2ccccc2)cc1-c1ccccc1
[b] COCc1ccc(CN2CCc3c([nH]c4ccccc34)C2C(C)(C)C)o1
Answer: a. O=c1[nH]nc(-c2ccccc2)cc1-c1ccccc1
{#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#}
O=c1[nH]nc(-c2ccccc2)cc1-c1ccccc1
O=c1[nH]nc(-c2ccccc2)cc1-c1ccccc1
4,6-diphenyl-2H-pyridazin-3-one