Task: Answer the MCQ question.
Query: Which compound has a -21.862% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a.) O=C(/C=C/c1cc(Br)ccc1F)OCC(=O)N1CCCC1
b.) O=C(NCC1COc2ccccc2O1)c1ccco1
Answer: a. O=C(/C=C/c1cc(Br)ccc1F)OCC(=O)N1CCCC1
{#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(/C=C/c1cc(Br)ccc1F)OCC(=O)N1CCCC1
O=C(/C=C/c1cc(Br)ccc1F)OCC(=O)N1CCCC1
(2-oxo-2-pyrrolidin-1-ylethyl) (E)-3-(5-bromo-2-fluorophenyl)prop-2-enoate