Task: Answer the multiple-choice question.
Query: Which drug exhibits a 2.628% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
[a] CCOC(=O)C1CCN(C(=O)Cc2c(C(=O)O)[nH]c3ccccc23)CC1
[b] CCCC(=O)Nc1ccc2c(c1)nc1n2CCN(C2CCCCC2)C1
[c] O=[N+]([O-])c1cccc(N/N=C/c2cccc3ccccc23)c1
[d] O=C(CSc1nc2ccccc2o1)N1CCN(C(=O)c2ccco2)CC1
[e] Cc1ccc(C2=NN(S(C)(=O)=O)C(c3cccs3)C2)cc1
Answer: b. CCCC(=O)Nc1ccc2c(c1)nc1n2CCN(C2CCCCC2)C1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCCC(=O)Nc1ccc2c(c1)nc1n2CCN(C2CCCCC2)C1
CCCC(=O)Nc1ccc2c(c1)nc1n2CCN(C2CCCCC2)C1
N-(2-cyclohexyl-3,4-dihydro-1H-pyrazino[1,2-a]benzimidazol-8-yl)butanamide