Task: Answer the multiple-choice question.
Query: Which compound exhibits a 2.099\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a CCCN(CC1CCCO1)C(=O)CCc1nnc(-c2cc(C)on2)o1
b COc1ccccc1NC(=O)Nc1nnc(CC(=O)Nc2cccc(C)c2)s1
c CCCCNC(=O)CC1Nc2ccccc2NC1=O
Answer: c. CCCCNC(=O)CC1Nc2ccccc2NC1=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#}
CCCCNC(=O)CC1Nc2ccccc2NC1=O
CCCCNC(=O)CC1Nc2ccccc2NC1=O
N-butyl-2-(3-oxo-2,4-dihydro-1H-quinoxalin-2-yl)acetamide