Problem statement: Answer the MCQ question.
Query: Which compound has a -2.315% 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] COC(=O)c1cc(S(=O)(=O)NCc2ccccc2)cn1C
[b] CSc1nncc(=O)[nH]1
Answer: b. CSc1nncc(=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#}
CSc1nncc(=O)[nH]1
CSc1nncc(=O)[nH]1
3-methylsulfanyl-4H-1,2,4-triazin-5-one