Task: Answer the multiple-choice question.
Question: Which drug exhibits a 6.444\% 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, b, or c without using any additional words.
Options:
a Cc1cc(OC(=O)c2cccc(Br)c2)c([N+](=O)[O-])c(=O)[nH]1
b O=C(Nc1ccc(Cl)cn1)c1ccc2[nH]c(=O)c(=O)[nH]c2c1
c N#Cc1cc2cc3c(cc2nc1NCCNC(=S)NCCCN1CCOCC1)OCO3
Answer: a. Cc1cc(OC(=O)c2cccc(Br)c2)c([N+](=O)[O-])c(=O)[nH]1
{#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#}
Cc1cc(OC(=O)c2cccc(Br)c2)c([N+](=O)[O-])c(=O)[nH]1
Cc1cc(OC(=O)c2cccc(Br)c2)c([N+](=O)[O-])c(=O)[nH]1
(6-methyl-3-nitro-2-oxo-1H-pyridin-4-yl) 3-bromobenzoate