Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 15.422\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: CCOC(=O)N1CCN(c2c(Nc3ccc4c(c3)OCCO4)c(=O)c2=O)CC1
b: Cc1occc1C(=O)N/N=C/C(Br)=C/c1ccccc1
c: CSCCOC(=O)c1[nH]c2c(c1C)C(=O)CC(c1ccco1)C2
Answer: a. CCOC(=O)N1CCN(c2c(Nc3ccc4c(c3)OCCO4)c(=O)c2=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#}
ethyl 4-[2-(2,3-dihydro-1,4-benzodioxin-6-ylamino)-3,4-dioxocyclobuten-1-yl]piperazine-1-carboxylate