Task: Answer the multiple choice question.
Question: Which compound exhibits a -4.086\% 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 additional words.
Options:
a. Cc1cc(=O)[nH]c(SCc2cccc(F)c2)n1
b. CCOC(=O)Cn1nc(-c2ccc(C)cc2)ccc1=O
Answer: b. CCOC(=O)Cn1nc(-c2ccc(C)cc2)ccc1=O
{#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#}
CCOC(=O)Cn1nc(-c2ccc(C)cc2)ccc1=O
CCOC(=O)Cn1nc(-c2ccc(C)cc2)ccc1=O
ethyl 2-[3-(4-methylphenyl)-6-oxopyridazin-1-yl]acetate