Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 8.774\% human ether-à-go-go related gene (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=S1(=O)CC(O)C(Nc2ccc(Cl)cc2)C1
(b) CSc1ccc(/C=C2\NC(=O)NC2=O)cc1
Answer: b. CSc1ccc(/C=C2\NC(=O)NC2=O)cc1
{#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#}
CSc1ccc(/C=C2\NC(=O)NC2=O)cc1
CSc1ccc(/C=C2\NC(=O)NC2=O)cc1
(5Z)-5-[(4-methylsulfanylphenyl)methylidene]imidazolidine-2,4-dione