Task: Answer the MCQ question.
Query: Which compound exhibits a -1.887\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] O=c1[nH]c(SCc2cccc(Cl)c2)nc2ccccc12
[b] CCOC(=O)C1CCN(C(C)C(=O)c2c[nH]c3ccccc23)CC1
[c] CC(Cc1ccc(O)c(O)c1)C(C)Cc1ccc(O)c(O)c1
Answer: b. CCOC(=O)C1CCN(C(C)C(=O)c2c[nH]c3ccccc23)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(C)C(=O)c2c[nH]c3ccccc23)CC1
CCOC(=O)C1CCN(C(C)C(=O)c2c[nH]c3ccccc23)CC1
ethyl 1-[1-(1H-indol-3-yl)-1-oxopropan-2-yl]piperidine-4-carboxylate