Task: Answer the multiple-choice question.
Question: Which compound has a 15.176\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: O=C1C(=Cc2cccn2-c2ccccc2)C(=O)c2ccccc21
b: O=C(Nc1ccccc1)N(CCCN1CCOCC1)Cc1ccccc1F
Answer: a. O=C1C(=Cc2cccn2-c2ccccc2)C(=O)c2ccccc21
{#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#}
O=C1C(=Cc2cccn2-c2ccccc2)C(=O)c2ccccc21
O=C1C(=Cc2cccn2-c2ccccc2)C(=O)c2ccccc21
2-[(1-phenylpyrrol-2-yl)methylidene]indene-1,3-dione