Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 12.392% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. Oc1c(Br)c(Br)c(Br)c(Br)c1Br
b. O=[N+]([O-])c1cccnc1NCc1cccs1
c. COc1ccccc1N(CCC#N)C(=O)COC(=O)c1cccn1C
Answer: b. O=[N+]([O-])c1cccnc1NCc1cccs1
{#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=[N+]([O-])c1cccnc1NCc1cccs1
O=[N+]([O-])c1cccnc1NCc1cccs1
3-nitro-N-(thiophen-2-ylmethyl)pyridin-2-amine