Task: Answer the multiple-choice question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a drug with the SMILES O=CN1CCN(C(=O)CC(c2ccccc2)c2cc(Br)ccc2O)CC1?
Constraint: You must return none, one or more options from a or b without using any additional words.
Options:
a 4.941
b 2.437
Answer: b. 2.437\%.
{#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=CN1CCN(C(=O)CC(c2ccccc2)c2cc(Br)ccc2O)CC1
O=CN1CCN(C(=O)CC(c2ccccc2)c2cc(Br)ccc2O)CC1
4-[3-(5-bromo-2-hydroxyphenyl)-3-phenylpropanoyl]piperazine-1-carbaldehyde