Task: Answer the multiple-choice question.
Question: Which compound exhibits a 9.748\% human ether-à-go-go related gene (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. CN1CCN(C(=O)c2cc(-c3ccco3)on2)CC1
b. Cc1cc(Nc2ccc(O)cc2)n2c(nc3ccccc32)c1C#N
c. CC1(C)S[C@@H]2[C@H](NC(=O)[C@H](N)c3ccccc3)C(=O)N2[C@H]1C(=O)O
d. CCOC(=O)C1CCN(C(=O)c2cc3ccccc3oc2=O)CC1
Answer: d. CCOC(=O)C1CCN(C(=O)c2cc3ccccc3oc2=O)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)c2cc3ccccc3oc2=O)CC1
CCOC(=O)C1CCN(C(=O)c2cc3ccccc3oc2=O)CC1
ethyl 1-(2-oxochromene-3-carbonyl)piperidine-4-carboxylate