Task: Answer the MCQ question.
Query: Which compound exhibits a 12.490\% 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 additional words.
Options:
[a] CC1=Nc2ccccc2/C1=C/c1c(O)[nH]c(=O)[nH]c1=O
[b] N#CCCN(C(=O)c1ccc2c(=O)n3c(nc2c1)CCCCC3)c1ccccc1
Answer: a. CC1=Nc2ccccc2/C1=C/c1c(O)[nH]c(=O)[nH]c1=O
{#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#}
CC1=Nc2ccccc2/C1=C/c1c(O)[nH]c(=O)[nH]c1=O
CC1=Nc2ccccc2/C1=C/c1c(O)[nH]c(=O)[nH]c1=O
6-hydroxy-5-[(Z)-(2-methylindol-3-ylidene)methyl]-1H-pyrimidine-2,4-dione