Task: Answer the MCQ question.
Query: Which compound has a -26.658% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: O=C(CCNS(=O)(=O)c1cccc2nonc12)Nc1ccc(Cl)cc1
b: Cc1nccn1CC(O)Cn1c2ccccc2c2ccccc21
c: CCOC(=O)C1=C(O)C(=O)N(c2ccccc2)C1c1cccc([N+](=O)[O-])c1
d: COc1ccc(C)cc1S(=O)(=O)N(CC(=O)Nc1cccc([N+](=O)[O-])c1)c1ccc(C)cc1
Answer: c. CCOC(=O)C1=C(O)C(=O)N(c2ccccc2)C1c1cccc([N+](=O)[O-])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#}
CCOC(=O)C1=C(O)C(=O)N(c2ccccc2)C1c1cccc([N+](=O)[O-])c1
CCOC(=O)C1=C(O)C(=O)N(c2ccccc2)C1c1cccc([N+](=O)[O-])c1
ethyl 4-hydroxy-2-(3-nitrophenyl)-5-oxo-1-phenyl-2H-pyrrole-3-carboxylate