Task: Answer the MCQ question.
Question: Which compound exhibits a 0.989\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) O=S1(=O)CC(O)C(N2CCCCC2)C1
(b) Cc1cc(/C=C2/SC(=S)N(c3cccc(Cl)c3)C2=O)c(C)n1-c1cccnc1
(c) O=C(CCc1ccccc1)Nc1nccs1
(d) Cc1cnc(NC(=O)CSc2nnc(COc3ccccc3)o2)s1
(e) CCOC(=O)N1CCN(C(=O)c2ccc(N3CCCC3=O)cc2)CC1
Answer: a. O=S1(=O)CC(O)C(N2CCCCC2)C1
{#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=S1(=O)CC(O)C(N2CCCCC2)C1
O=S1(=O)CC(O)C(N2CCCCC2)C1
1,1-dioxo-4-piperidin-1-ylthiolan-3-ol