Problem statement: Answer the multiple-choice question.
Query: Which drug has a 7.845\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CC(C)CNc1nc2c(c(=O)n(C)c(=O)n2C)n1Cc1cccc(Br)c1
(b) Cc1ccccc1NC(=O)C1Cc2ccccc2C(=O)O1
Answer: a. CC(C)CNc1nc2c(c(=O)n(C)c(=O)n2C)n1Cc1cccc(Br)c1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__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_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
7-[(3-bromophenyl)methyl]-1,3-dimethyl-8-(2-methylpropylamino)purine-2,6-dione