Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 4.980\% 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) CC(=O)N1CCC2(CC1)CC(=O)c1cc(OCC(=O)NCc3ccco3)ccc1O2
(b) Cc1cccc(C(=O)NCCCN2CCCC2=O)c1
(c) COc1ccc(NC(=O)Nc2cccc(C(F)(F)F)c2)cn1
(d) CCC(C)NC(=O)CC(C)C
(e) CCOc1ccccc1NC(=O)CSc1nnnn1-c1ccc(C(=O)OC)cc1
Answer: d. CCC(C)NC(=O)CC(C)C
{#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#}
CCC(C)NC(=O)CC(C)C
CCC(C)NC(=O)CC(C)C
N-butan-2-yl-3-methylbutanamide