Task: Answer the multiple-choice question.
Question: Which drug exhibits a 10.565\% human ether-à-go-go related gene (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. CCc1ccc(OCc2nnc(-c3ccccc3Br)o2)cc1
b. CCOC(=O)CC(NS(=O)(=O)c1ccc(OC)c(OC)c1)c1cccc([N+](=O)[O-])c1
Answer: a. CCc1ccc(OCc2nnc(-c3ccccc3Br)o2)cc1
{#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#}
CCc1ccc(OCc2nnc(-c3ccccc3Br)o2)cc1
CCc1ccc(OCc2nnc(-c3ccccc3Br)o2)cc1
2-(2-bromophenyl)-5-[(4-ethylphenoxy)methyl]-1,3,4-oxadiazole