Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a -7.795% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CCn1c(=O)c([N+](=O)[O-])c(N2CCOCC2)c2ccccc21
b: Cc1c(NC(=O)c2ccc(N3CCCC3)c([N+](=O)[O-])c2)cccc1-c1nc2ccccc2s1
Answer: a. CCn1c(=O)c([N+](=O)[O-])c(N2CCOCC2)c2ccccc21
{#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#}
CCn1c(=O)c([N+](=O)[O-])c(N2CCOCC2)c2ccccc21
CCn1c(=O)c([N+](=O)[O-])c(N2CCOCC2)c2ccccc21
1-ethyl-4-morpholin-4-yl-3-nitroquinolin-2-one