Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 0.237\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCOC(=O)C1CCN(C(=O)C2CCN(S(=O)(=O)c3ccc4ccccc4c3)CC2)CC1
[b] CCCNC(=O)c1ccc2c(=O)c(O)c(-c3cccc(Br)c3)[nH]c2c1
Answer: a. CCOC(=O)C1CCN(C(=O)C2CCN(S(=O)(=O)c3ccc4ccccc4c3)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#}
CCOC(=O)C1CCN(C(=O)C2CCN(S(=O)(=O)c3ccc4ccccc4c3)CC2)CC1
CCOC(=O)C1CCN(C(=O)C2CCN(S(=O)(=O)c3ccc4ccccc4c3)CC2)CC1
ethyl 1-(1-naphthalen-2-ylsulfonylpiperidine-4-carbonyl)piperidine-4-carboxylate