Task: Answer the multiple-choice question.
Query: Which compound exhibits a -2.950% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: C/C(=N\NS(=O)(=O)c1ccc(C)c([N+](=O)[O-])c1)c1cccs1
b: CCCCn1cnc2c(oc3ccccc32)c1=O
Answer: b. CCCCn1cnc2c(oc3ccccc32)c1=O
{#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#}
CCCCn1cnc2c(oc3ccccc32)c1=O
CCCCn1cnc2c(oc3ccccc32)c1=O
3-butyl-[1]benzofuro[3,2-d]pyrimidin-4-one