Task: Answer the MCQ question.
Query: Which compound exhibits a -19.240% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a.) O=C(Cn1c(=O)c2cccn2c2ccc(F)cc21)NCCCN1CCN(c2ccccc2F)CC1
b.) CCOC(=O)c1c(C)nc(C)c2c(=O)oc3ccccc3c12
c.) CCCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccc([N+](=O)[O-])cc1)n2CC
d.) CC(C)OC(=O)c1cccc2c1C(=O)c1ccccc1-2
Answer: c. CCCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccc([N+](=O)[O-])cc1)n2CC
{#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#}
CCCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccc([N+](=O)[O-])cc1)n2CC
CCCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccc([N+](=O)[O-])cc1)n2CC
3-butyl-7-ethyl-8-(4-nitrophenyl)purine-2,6-dione