Task: Answer the multiple choice question.
Question: Which drug exhibits a -13.181% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) CC1CCN(C(=O)C(=O)c2cn(CC(=O)N3CCCC3)c3ccccc23)CC1
(b) CCOc1ccccc1NC(=O)C(=O)N/N=C/c1ccc([N+](=O)[O-])cc1
(c) Cc1ccc(C(=O)COc2ccccc2C(=O)Nc2ccccc2)cc1
(d) COc1ccc(N/C=C/C(=O)c2cc(OC)c(OC)c(OC)c2)cc1
(e) Cc1sc2nc(C3CC3)nc(N3CCN(C(=O)c4ccc(F)cc4)CC3)c2c1C.Cl
Answer: b. CCOc1ccccc1NC(=O)C(=O)N/N=C/c1ccc([N+](=O)[O-])cc1
{#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#}
CCOc1ccccc1NC(=O)C(=O)N/N=C/c1ccc([N+](=O)[O-])cc1
CCOc1ccccc1NC(=O)C(=O)N/N=C/c1ccc([N+](=O)[O-])cc1
N-(2-ethoxyphenyl)-N'-[(E)-(4-nitrophenyl)methylideneamino]oxamide