Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 4.583\% 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=C(OCc1ccc([N+](=O)[O-])cc1)c1ccc2ccccc2n1
b COc1cccc(C(=O)Nc2ccc(C(=O)NCC(C)C)cc2)c1
Answer: a. O=C(OCc1ccc([N+](=O)[O-])cc1)c1ccc2ccccc2n1
{#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=C(OCc1ccc([N+](=O)[O-])cc1)c1ccc2ccccc2n1
O=C(OCc1ccc([N+](=O)[O-])cc1)c1ccc2ccccc2n1
(4-nitrophenyl)methyl quinoline-2-carboxylate