Task: Answer the MCQ question.
Question: Which compound has a 5.747\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. Cc1cc(C)nc(SCC(=O)c2ccc(Cl)cc2)n1
b. Cc1ccc(-c2csc3ncnc(-n4nnc5ccccc54)c23)cc1
c. O=C1C(=Cc2ccc(Br)o2)C(=O)c2ccccc21
Answer: c. O=C1C(=Cc2ccc(Br)o2)C(=O)c2ccccc21
{#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=C1C(=Cc2ccc(Br)o2)C(=O)c2ccccc21
O=C1C(=Cc2ccc(Br)o2)C(=O)c2ccccc21
2-[(5-bromofuran-2-yl)methylidene]indene-1,3-dione