Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 22.370\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: O=c1c2cn[nH]c2[nH]c(=S)n1-c1ccccc1F
b: CN(c1ccccc1)C(c1ccc(F)cc1)c1nnnn1C1CCCC1
Answer: a. O=c1c2cn[nH]c2[nH]c(=S)n1-c1ccccc1F
{#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=c1c2cn[nH]c2[nH]c(=S)n1-c1ccccc1F
O=c1c2cn[nH]c2[nH]c(=S)n1-c1ccccc1F
5-(2-fluorophenyl)-6-sulfanylidene-1,7-dihydropyrazolo[3,4-d]pyrimidin-4-one