Task: Answer the multiple-choice question.
Query: Which compound exhibits a 12.684\% 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: O=[N+]([O-])c1ccc(CSc2nc3ncc(Br)cc3[nH]2)cc1
b: O=C(Cc1ccc(Br)cc1)N1CCN(C(=O)c2ccccc2)CC1
Answer: a. O=[N+]([O-])c1ccc(CSc2nc3ncc(Br)cc3[nH]2)cc1
{#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=[N+]([O-])c1ccc(CSc2nc3ncc(Br)cc3[nH]2)cc1
O=[N+]([O-])c1ccc(CSc2nc3ncc(Br)cc3[nH]2)cc1
6-bromo-2-[(4-nitrophenyl)methylsulfanyl]-1H-imidazo[4,5-b]pyridine