Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 16.265\% 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 additional words.
Options:
(a) COc1ccccc1C(=O)NCC(=O)n1nc(C)cc1C
(b) O=S(=O)(Nc1ccc(O)c(CN2CCCCC2)c1)c1ccccc1
Answer: a. COc1ccccc1C(=O)NCC(=O)n1nc(C)cc1C
{#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#}
COc1ccccc1C(=O)NCC(=O)n1nc(C)cc1C
COc1ccccc1C(=O)NCC(=O)n1nc(C)cc1C
N-[2-(3,5-dimethylpyrazol-2-yl)-2-oxoethyl]-2-methoxybenzamide