Task: Answer the multiple choice question.
Question: Which compound has a 1.236\% 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 other words.
Options:
[a] O=c1c2c(-c3ccc([N+](=O)[O-])cc3)ccnc2[nH]n1-c1ccccc1
[b] CC(=O)NC(=S)Nc1ccccc1F
Answer: a. O=c1c2c(-c3ccc([N+](=O)[O-])cc3)ccnc2[nH]n1-c1ccccc1
{#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=c1c2c(-c3ccc([N+](=O)[O-])cc3)ccnc2[nH]n1-c1ccccc1
O=c1c2c(-c3ccc([N+](=O)[O-])cc3)ccnc2[nH]n1-c1ccccc1
4-(4-nitrophenyl)-2-phenyl-1H-pyrazolo[3,4-b]pyridin-3-one