Task: Answer the MCQ question.
Query: Which compound exhibits a -3.788% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a CCCCOC(=O)n1c(=O)oc2ccccc21
b O=C(COc1cccc(NC(=O)c2cccs2)c1)c1ccc(F)cc1
Answer: a. CCCCOC(=O)n1c(=O)oc2ccccc21
{#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#}
CCCCOC(=O)n1c(=O)oc2ccccc21
CCCCOC(=O)n1c(=O)oc2ccccc21
butyl 2-oxo-1,3-benzoxazole-3-carboxylate