Task: Answer the multiple-choice question.
Query: Which drug has a 27.812% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) Cn1c(=NC(=O)C2CCCCC2)sc2cc([N+](=O)[O-])ccc21
(b) Cc1ccn2cc(-c3cnoc3C)nc2c1
(c) CC1(C)CC(=O)C(=Cc2cn(-c3ccccc3)nc2-c2ccc(Cl)cc2)C(=O)C1
(d) OC(c1ccccn1)(c1ccccn1)c1ccccn1
Answer: a. Cn1c(=NC(=O)C2CCCCC2)sc2cc([N+](=O)[O-])ccc21
{#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#}
Cn1c(=NC(=O)C2CCCCC2)sc2cc([N+](=O)[O-])ccc21
Cn1c(=NC(=O)C2CCCCC2)sc2cc([N+](=O)[O-])ccc21
N-(3-methyl-6-nitro-1,3-benzothiazol-2-ylidene)cyclohexanecarboxamide