Problem statement: Answer the multiple-choice question.
Question: Which compound has a 7.178\% 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 other words.
Options:
a) O=C(O)CC1S/C(=N/N=C/C=C/c2ccccc2[N+](=O)[O-])NC1=O
b) CCCn1c(=O)[nH]c(=O)c2c1nc(-c1cc([N+](=O)[O-])ccc1Cl)n2CCOC
Answer: b. CCCn1c(=O)[nH]c(=O)c2c1nc(-c1cc([N+](=O)[O-])ccc1Cl)n2CCOC
{#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#}
CCCn1c(=O)[nH]c(=O)c2c1nc(-c1cc([N+](=O)[O-])ccc1Cl)n2CCOC
CCCn1c(=O)[nH]c(=O)c2c1nc(-c1cc([N+](=O)[O-])ccc1Cl)n2CCOC
8-(2-chloro-5-nitrophenyl)-7-(2-methoxyethyl)-3-propylpurine-2,6-dione