Problem statement: Answer the MCQ question.
Query: Which compound exhibits a -0.988% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) O=C(O)CCCn1c(=O)c2cccn2c2ccc(F)cc21
(b) COc1cc2cc(CN(CCO)S(=O)(=O)c3ccccc3)c(=O)[nH]c2cc1OC
Answer: a. O=C(O)CCCn1c(=O)c2cccn2c2ccc(F)cc21
{#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#}
O=C(O)CCCn1c(=O)c2cccn2c2ccc(F)cc21
O=C(O)CCCn1c(=O)c2cccn2c2ccc(F)cc21
7-fluoro-5-(4-hydroxy-4-oxobutyl)pyrrolo[1,2-a]quinoxalin-4-one