Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 0.867\% 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 or b without using any other words.
Options:
a: O=C1c2ccccc2C(=O)N1CCc1nc(-c2ccccn2)no1
b: CCOc1cc(NC(=O)c2ccco2)c(OCC)cc1NC(=O)COc1ccccc1C
Answer: a. O=C1c2ccccc2C(=O)N1CCc1nc(-c2ccccn2)no1
{#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=C1c2ccccc2C(=O)N1CCc1nc(-c2ccccn2)no1
O=C1c2ccccc2C(=O)N1CCc1nc(-c2ccccn2)no1
2-[2-(3-pyridin-2-yl-1,2,4-oxadiazol-5-yl)ethyl]isoindole-1,3-dione