Task: Answer the MCQ question.
Question: Which compound has a -0.987\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] Cc1ccc(-c2csc3ncnc(SCC(=O)Nc4nnc(C)s4)c23)cc1
[b] C=CCOc1ccc2ccccc2c1/C=N/O
Answer: a. Cc1ccc(-c2csc3ncnc(SCC(=O)Nc4nnc(C)s4)c23)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#}
2-[5-(4-methylphenyl)thieno[2,3-d]pyrimidin-4-yl]sulfanyl-N-(5-methyl-1,3,4-thiadiazol-2-yl)acetamide