Task: Answer the multiple-choice question.
Question: Which drug exhibits a 18.419% 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: Cc1cccc(NC(=O)Nc2ccc(Br)cc2)n1
b: O=C(N1CCOCC1)C12CC3CC(C1)CC(n1cnc(Cl)n1)(C3)C2
Answer: a. Cc1cccc(NC(=O)Nc2ccc(Br)cc2)n1
{#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#}
Cc1cccc(NC(=O)Nc2ccc(Br)cc2)n1
Cc1cccc(NC(=O)Nc2ccc(Br)cc2)n1
1-(4-bromophenyl)-3-(6-methylpyridin-2-yl)urea