Task: Answer the multiple choice question.
Query: Which compound has a 18.932% 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) Cc1ccc2nc3sc(C(=O)NCc4ccco4)c(N)c3cc2c1
b) Cc1ccc2[nH]c3c(=S)nc[nH]c3c2c1
c) COc1ccc(CN2CCOCC2)c(C)c1C
Answer: b. Cc1ccc2[nH]c3c(=S)nc[nH]c3c2c1
{#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#}
Cc1ccc2[nH]c3c(=S)nc[nH]c3c2c1
Cc1ccc2[nH]c3c(=S)nc[nH]c3c2c1
8-methyl-1,5-dihydropyrimido[5,4-b]indole-4-thione