Task: Answer the multiple-choice question.
Question: Which compound has a 7.447\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. CC1=Nn2c(nc(-c3ccccc3)c2-c2ccccc2)NC(=O)C1Br
b. Cc1c(NC(=O)c2ccc3c(c2)OCO3)cccc1-c1nc2ncccc2o1
Answer: a. CC1=Nn2c(nc(-c3ccccc3)c2-c2ccccc2)NC(=O)C1Br
{#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#}
CC1=Nn2c(nc(-c3ccccc3)c2-c2ccccc2)NC(=O)C1Br
CC1=Nn2c(nc(-c3ccccc3)c2-c2ccccc2)NC(=O)C1Br
7-bromo-6-methyl-2,3-diphenyl-7,9-dihydroimidazo[1,2-b][1,2,4]triazepin-8-one