Task: Answer the multiple-choice question.
Query: Which compound has a 16.618\% 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, b, c, or d without using any other words.
Options:
a CCOC(=O)C(=O)c1csc(NC(=O)CCSc2ccc(C)cc2)n1
b CCCC(=O)Nc1c(-c2ccc(OC)cc2)c(=O)c2ccccc2n1C
c CCc1c(C)sc(NC(=O)c2cc(-c3ccco3)on2)c1C#N
d O=C(NCCCN1CCCC1=O)c1csc2ccccc12
Answer: b. CCCC(=O)Nc1c(-c2ccc(OC)cc2)c(=O)c2ccccc2n1C
{#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#}
CCCC(=O)Nc1c(-c2ccc(OC)cc2)c(=O)c2ccccc2n1C
CCCC(=O)Nc1c(-c2ccc(OC)cc2)c(=O)c2ccccc2n1C
N-[3-(4-methoxyphenyl)-1-methyl-4-oxoquinolin-2-yl]butanamide