Task: Answer the multiple-choice question.
Question: Which drug has a 9.412\% 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 CN1CCNC(=O)C1CC(=O)NCCC1=CCCCC1
b N#Cc1c(-c2ccccc2)nc(SCc2ccc([N+](=O)[O-])cc2)[nH]c1=O
Answer: a. CN1CCNC(=O)C1CC(=O)NCCC1=CCCCC1
{#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#}
CN1CCNC(=O)C1CC(=O)NCCC1=CCCCC1
CN1CCNC(=O)C1CC(=O)NCCC1=CCCCC1
N-[2-(cyclohexen-1-yl)ethyl]-2-(1-methyl-3-oxopiperazin-2-yl)acetamide