Task: Answer the multiple choice question.
Query: What is the hERG inhibition at a concentration of 10uM of a drug with the SMILES CCn1c(/C=C/c2cc(Br)ccc2O)nc2ccccc2c1=O?
Constraint: You must return none, one or more options from a, b, or c without using any additional words.
Options:
(a) 20.681
(b) 17.862
(c) 5.741
Answer: b. 17.862%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_10uM__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_10uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_10uM#}{herg_central_at_10uM__units}.
CCn1c(/C=C/c2cc(Br)ccc2O)nc2ccccc2c1=O
CCn1c(/C=C/c2cc(Br)ccc2O)nc2ccccc2c1=O
2-[(E)-2-(5-bromo-2-hydroxyphenyl)ethenyl]-3-ethylquinazolin-4-one