Task: Answer the multiple-choice question.
Query: Which drug exhibits a -3.265\% 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 or b without using any additional words.
Options:
[a] CCOC(=O)N1CCN(c2nc3ccc(C(=O)c4ccccc4)cc3n3cnnc23)CC1
[b] Cc1cc(C)cc(C(=O)NCC(=O)OCC(=O)Nc2ccc(C)cc2Br)c1
Answer: a. CCOC(=O)N1CCN(c2nc3ccc(C(=O)c4ccccc4)cc3n3cnnc23)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)N1CCN(c2nc3ccc(C(=O)c4ccccc4)cc3n3cnnc23)CC1
CCOC(=O)N1CCN(c2nc3ccc(C(=O)c4ccccc4)cc3n3cnnc23)CC1
ethyl 4-(8-benzoyl-[1,2,4]triazolo[4,3-a]quinoxalin-4-yl)piperazine-1-carboxylate