Task: Answer the multiple-choice question.
Question: Which compound exhibits a 5.871\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] Cn1ccnc1SCC(=O)c1ccc2ccccc2c1
[b] CC1CCc2c(sc3ncn4c(SCC(=O)NCc5ccco5)nnc4c23)C1
Answer: a. Cn1ccnc1SCC(=O)c1ccc2ccccc2c1
{#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#}
Cn1ccnc1SCC(=O)c1ccc2ccccc2c1
Cn1ccnc1SCC(=O)c1ccc2ccccc2c1
2-(1-methylimidazol-2-yl)sulfanyl-1-naphthalen-2-ylethanone