Task: Answer the multiple choice question.
Query: Which compound exhibits a -1.793\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a CCOC(=O)c1c(C)n(CC(O)CN2CCOCC2)c2cc(Br)c(OC)cc12.Cl
b CCOC(=O)CSc1ncc(-c2ccccc2)cn1
c CN1CCCc2cc(C#N)c(=O)[nH]c21
Answer: b. CCOC(=O)CSc1ncc(-c2ccccc2)cn1
{#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)CSc1ncc(-c2ccccc2)cn1
CCOC(=O)CSc1ncc(-c2ccccc2)cn1
ethyl2-(5-phenylpyrimidin-2-yl)sulfanylacetate