Task: Answer the multiple choice question.
Question: Which compound exhibits a 9.707\% 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 CCOC(=O)CSc1ncnc2c1cnn2-c1ccc(C)cc1C
b CCCn1c(SCC(=O)c2c(N)n(C3CC3)c(=O)[nH]c2=O)nc2cc(S(N)(=O)=O)ccc21
Answer: a. CCOC(=O)CSc1ncnc2c1cnn2-c1ccc(C)cc1C
{#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)CSc1ncnc2c1cnn2-c1ccc(C)cc1C
CCOC(=O)CSc1ncnc2c1cnn2-c1ccc(C)cc1C
ethyl 2-[1-(2,4-dimethylphenyl)pyrazolo[3,4-d]pyrimidin-4-yl]sulfanylacetate