Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a -21.675% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) CNc1nc(SCc2ccc(C)cc2)nc2c1CCCC2
(b) NC(=O)C1CCN(C(=O)CSc2nc3c(c(-c4ccccc4)n2)CCCC3)CC1
(c) O=C(CSc1n[nH]c(-c2ccco2)n1)Nc1ccccc1F
(d) Cc1cccc(-n2c(-c3cccc([N+](=O)[O-])c3)nc3nc4ccccc4nc32)c1
Answer: d. Cc1cccc(-n2c(-c3cccc([N+](=O)[O-])c3)nc3nc4ccccc4nc32)c1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
Cc1cccc(-n2c(-c3cccc([N+](=O)[O-])c3)nc3nc4ccccc4nc32)c1
Cc1cccc(-n2c(-c3cccc([N+](=O)[O-])c3)nc3nc4ccccc4nc32)c1
3-(3-methylphenyl)-2-(3-nitrophenyl)imidazo[4,5-b]quinoxaline