Task: Answer the MCQ question.
Query: What is the hERG inhibition at a concentration of 10uM of a drug with the SMILES O=C1NC(Cc2ccccc2)C(=O)Nc2ccc(Br)cc21?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
(a) 2.261
(b) -10.706
Answer: a. 2.261%.
{#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}.
O=C1NC(Cc2ccccc2)C(=O)Nc2ccc(Br)cc21
O=C1NC(Cc2ccccc2)C(=O)Nc2ccc(Br)cc21
3-benzyl-7-bromo-3,4-dihydro-1H-1,4-benzodiazepine-2,5-dione