Task: Answer the multiple-choice question.
Query: Which compound exhibits a 8.756\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a c1cncc(-c2nc(N3CCOCC3)c3ccccc3n2)c1
b Cc1ccc(C)c(-n2nnnc2SCC(=O)Nc2c(C)n(C)n(-c3ccccc3)c2=O)c1
Answer: a. c1cncc(-c2nc(N3CCOCC3)c3ccccc3n2)c1
{#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#}
c1cncc(-c2nc(N3CCOCC3)c3ccccc3n2)c1
c1cncc(-c2nc(N3CCOCC3)c3ccccc3n2)c1
4-(2-pyridin-3-ylquinazolin-4-yl)morpholine