Task: Answer the MCQ question.
Query: Which drug has a 6.750\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) O=S(=O)(Nc1cccc(-c2cn3ccsc3n2)c1)c1ccc(F)cc1
(b) O=C(Nc1ccc(Br)cc1F)c1cccnc1
(c) O=C1N/C(=C/c2ccc(N3CCOCC3)o2)C(=O)N1c1ccccc1
(d) CS(=O)(=O)n1nc(OC(=O)c2cccc3ccccc23)cc1N
Answer: c. O=C1N/C(=C/c2ccc(N3CCOCC3)o2)C(=O)N1c1ccccc1
{#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#}
(5E)-5-[(5-morpholin-4-ylfuran-2-yl)methylidene]-3-phenylimidazolidine-2,4-dione