Task: Answer the MCQ question.
Query: Which drug exhibits a 13.115\% 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] CCn1c(/C=C/c2c[nH]c3ccccc23)nc2ccccc2c1=O
[b] C=CCn1c(-c2ccccc2[N+](=O)[O-])n[nH]c1=S
Answer: a. CCn1c(/C=C/c2c[nH]c3ccccc23)nc2ccccc2c1=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#}
CCn1c(/C=C/c2c[nH]c3ccccc23)nc2ccccc2c1=O
CCn1c(/C=C/c2c[nH]c3ccccc23)nc2ccccc2c1=O
3-ethyl-2-[(E)-2-(1H-indol-3-yl)ethenyl]quinazolin-4-one