Problem statement: Answer the MCQ question.
Question: Which drug has a 25.459\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=c1cnnc(N/N=C/c2ccccn2)[nH]1
(b) Cc1ccc(NC(=O)NC(=O)COc2ccccc2C(N)=O)c(C)c1
Answer: a. O=c1cnnc(N/N=C/c2ccccn2)[nH]1
{#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=c1cnnc(N/N=C/c2ccccn2)[nH]1
O=c1cnnc(N/N=C/c2ccccn2)[nH]1
3-[(2E)-2-(pyridin-2-ylmethylidene)hydrazinyl]-4H-1,2,4-triazin-5-one