Task: Answer the multiple-choice question.
Query: Which compound exhibits a 13.843\% 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] O=[N+]([O-])c1cccc(-c2nnc(-c3ccccc3F)o2)c1
[b] Cc1ccc(-n2nnnc2SCC(=O)N2Cc3ccccc3CC2C(=O)O)cc1
Answer: a. O=[N+]([O-])c1cccc(-c2nnc(-c3ccccc3F)o2)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#}
O=[N+]([O-])c1cccc(-c2nnc(-c3ccccc3F)o2)c1
O=[N+]([O-])c1cccc(-c2nnc(-c3ccccc3F)o2)c1
2-(2-fluorophenyl)-5-(3-nitrophenyl)-1,3,4-oxadiazole