Task: Answer the multiple-choice question.
Query: Which compound exhibits a -2.209% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. COc1cc(CNCCN(C)C)c(Br)cc1OC1CCCC1.Cl
b. Cc1nc(SCc2ccc(O)c([N+](=O)[O-])c2)c([N+](=O)[O-])[nH]1
Answer: b. Cc1nc(SCc2ccc(O)c([N+](=O)[O-])c2)c([N+](=O)[O-])[nH]1
{#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#}
Cc1nc(SCc2ccc(O)c([N+](=O)[O-])c2)c([N+](=O)[O-])[nH]1
Cc1nc(SCc2ccc(O)c([N+](=O)[O-])c2)c([N+](=O)[O-])[nH]1
4-[(2-methyl-5-nitro-1H-imidazol-4-yl)sulfanylmethyl]-2-nitrophenol