Task: Answer the MCQ question.
Query: Which compound has a -84.878\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) O=C(CN1CCN(C(=O)c2ccccc2)CC1)Nc1ncc(Br)cc1Br
(b) CC(=O)Nc1ccc(S(=O)(=O)Nc2nc3ccccc3nc2Nc2ccc(S(N)(=O)=O)cc2)cc1
(c) CCOC(=O)C1CN(S(=O)(=O)c2ccc(C)cc2)c2cc(S(=O)(=O)CC)ccc2O1
Answer: a. O=C(CN1CCN(C(=O)c2ccccc2)CC1)Nc1ncc(Br)cc1Br
{#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=C(CN1CCN(C(=O)c2ccccc2)CC1)Nc1ncc(Br)cc1Br
O=C(CN1CCN(C(=O)c2ccccc2)CC1)Nc1ncc(Br)cc1Br
2-(4-benzoylpiperazin-1-yl)-N-(3,5-dibromopyridin-2-yl)acetamide