Task: Answer the multiple choice question.
Query: Which compound exhibits a 8.167% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CNC(=O)Nc1cccc(-c2ccnc(C)n2)c1
(b) Cc1cc(C)c(S(=O)(=O)N2CCCCCC2)cc1Br
Answer: a. CNC(=O)Nc1cccc(-c2ccnc(C)n2)c1
{#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#}
CNC(=O)Nc1cccc(-c2ccnc(C)n2)c1
CNC(=O)Nc1cccc(-c2ccnc(C)n2)c1
1-methyl-3-[3-(2-methylpyrimidin-4-yl)phenyl]urea