Task: Answer the multiple choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a compound with the SMILES O=C1N/C(=C/c2ccc(Br)s2)C(=O)N1c1ccccc1?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
a: 18.901
b: 0.573
Answer: a. 18.901\%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_1uM__names__noun} of a {#compound|drug!} with the {SMILES__description} {SMILES#}?
Constraint: You must return none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{herg_central_at_1uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_1uM#}{herg_central_at_1uM__units}.
O=C1N/C(=C/c2ccc(Br)s2)C(=O)N1c1ccccc1
O=C1N/C(=C/c2ccc(Br)s2)C(=O)N1c1ccccc1
(5E)-5-[(5-bromothiophen-2-yl)methylidene]-3-phenylimidazolidine-2,4-dione