Task: Answer the multiple choice question.
Question: Which drug exhibits a 14.308\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CC(Cc1cccs1)NC(=O)c1cccs1
[b] CC1(c2cccc(Br)c2)NC(=O)NC1=O
Answer: b. CC1(c2cccc(Br)c2)NC(=O)NC1=O
{#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(c2cccc(Br)c2)NC(=O)NC1=O
CC1(c2cccc(Br)c2)NC(=O)NC1=O
5-(3-bromophenyl)-5-methylimidazolidine-2,4-dione