Task: Answer the MCQ question.
Query: Which compound exhibits a -2.080\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: COc1ccc(C2C(=O)N(C3CCCCC3)CC(=O)N2CC2COc3ccccc3O2)cc1
b: O=C1Nc2ccc([N+](=O)[O-])cc2OC1CCN1CCN(Cc2ccccc2)CC1
Answer: a. COc1ccc(C2C(=O)N(C3CCCCC3)CC(=O)N2CC2COc3ccccc3O2)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#}
1-cyclohexyl-4-(2,3-dihydro-1,4-benzodioxin-3-ylmethyl)-3-(4-methoxyphenyl)piperazine-2,5-dione