Task: Answer the multiple choice question.
Query: Which drug exhibits a 14.271\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. COc1ccc([C@@H]2[C@@H]3C(=O)N(C(C)(C)C)C(=O)[C@@H]3[C@]3(Cc4ccc(Cl)cc4)C(=O)N(c4cccc(C)c4)C(=O)N23)cc1
b. COCC(=O)OCC(=O)Nc1ccc(Cl)cc1[N+](=O)[O-]
c. CC(C)(C)C(=O)Nc1ccc(N2CCCC2)cc1
d. Cc1ncc(CN2CCN(Cc3ccccc3)C(CCO)C2)s1
Answer: b. COCC(=O)OCC(=O)Nc1ccc(Cl)cc1[N+](=O)[O-]
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__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_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COCC(=O)OCC(=O)Nc1ccc(Cl)cc1[N+](=O)[O-]
COCC(=O)OCC(=O)Nc1ccc(Cl)cc1[N+](=O)[O-]
[2-(4-chloro-2-nitroanilino)-2-oxoethyl] 2-methoxyacetate