Task: Answer the MCQ question.
Question: Which compound exhibits a 9.437\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. CCOC(=O)C1CCN(C(=O)C2CCN(S(=O)(=O)CC)CC2)CC1
b. CC1(C)CC(=O)c2ccc(OCc3ccc([N+](=O)[O-])cc3)cc2O1
c. Cc1csc2ncc(C(=O)NCc3ccco3)c(=O)n12
d. CN(C)c1nc(-c2ccccc2)cc(C(F)(F)F)c1C#N
Answer: a. CCOC(=O)C1CCN(C(=O)C2CCN(S(=O)(=O)CC)CC2)CC1
{#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#}
ethyl 1-(1-ethylsulfonylpiperidine-4-carbonyl)piperidine-4-carboxylate