Task: Answer the multiple-choice question.
Query: Which drug exhibits a -1.214\% 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(Oc1cccnc1[N+](=O)[O-])C(=O)Nc1ccc(Cl)cn1
[b] COc1ccc(C(=O)N2CCCC(Nc3ccc(F)cc3)C2)cc1F
Answer: a. CC(Oc1cccnc1[N+](=O)[O-])C(=O)Nc1ccc(Cl)cn1
{#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#}
CC(Oc1cccnc1[N+](=O)[O-])C(=O)Nc1ccc(Cl)cn1
CC(Oc1cccnc1[N+](=O)[O-])C(=O)Nc1ccc(Cl)cn1
N-(5-chloropyridin-2-yl)-2-[2-[oxido(oxo)azaniumyl]pyridin-3-yl]oxypropanamide