Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a -28.157\% human ether-à-go-go related gene (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) CCOC(=O)C(CCCCOc1ccc([N+](=O)[O-])cc1)C(=O)OCC
(b) CN1CCN(c2nnc(-c3ccccc3)c(-c3ccccc3)n2)CC1
(c) Cc1cccc(CCNC(=O)CCc2nc(-c3ccccc3F)no2)c1
Answer: a. CCOC(=O)C(CCCCOc1ccc([N+](=O)[O-])cc1)C(=O)OCC
{#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#}
CCOC(=O)C(CCCCOc1ccc([N+](=O)[O-])cc1)C(=O)OCC
CCOC(=O)C(CCCCOc1ccc([N+](=O)[O-])cc1)C(=O)OCC
diethyl 2-[4-(4-nitrophenoxy)butyl]propanedioate