Problem statement: Answer the MCQ question.
Query: Which compound exhibits a -10.426% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) COc1cccc(CNC(=O)c2ccc(OCC(=O)N3CCOCC3)c(OC)c2)c1
(b) CCCCC(=O)N=c1sc2cc([N+](=O)[O-])ccc2n1C
(c) COc1ccc(C(CNC(=O)c2cc(SC)ccc2Cl)N(C)C)cc1
Answer: b. CCCCC(=O)N=c1sc2cc([N+](=O)[O-])ccc2n1C
{#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#}
CCCCC(=O)N=c1sc2cc([N+](=O)[O-])ccc2n1C
CCCCC(=O)N=c1sc2cc([N+](=O)[O-])ccc2n1C
N-(3-methyl-6-nitro-1,3-benzothiazol-2-ylidene)pentanamide