Task: Answer the MCQ question.
Question: Which compound exhibits a 6.838\% 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 CCN1CCN(c2nc3c(c(=O)n(C)c(=O)n3C)n2CCSc2nccc(C)n2)CC1
b CC(=O)c1ccc([N+](=O)[O-])cc1
c Cc1ccc(OCCCN(C)C)c(Br)c1
Answer: a. CCN1CCN(c2nc3c(c(=O)n(C)c(=O)n3C)n2CCSc2nccc(C)n2)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#}
CCN1CCN(c2nc3c(c(=O)n(C)c(=O)n3C)n2CCSc2nccc(C)n2)CC1
CCN1CCN(c2nc3c(c(=O)n(C)c(=O)n3C)n2CCSc2nccc(C)n2)CC1
8-(4-ethylpiperazin-1-yl)-1,3-dimethyl-7-[2-(4-methylpyrimidin-2-yl)sulfanylethyl]purine-2,6-dione