Task: Answer the MCQ question.
Question: Which compound has a 21.498\% 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 other words.
Options:
[a] C=CCn1c(C)cc(C2=NNC(=NC(C)(C)C)SC2)c1C
[b] Cc1[nH]c2ccccc2c1C(=O)C(=O)NCc1ccco1
Answer: b. Cc1[nH]c2ccccc2c1C(=O)C(=O)NCc1ccco1
{#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[nH]c2ccccc2c1C(=O)C(=O)NCc1ccco1
Cc1[nH]c2ccccc2c1C(=O)C(=O)NCc1ccco1
N-(furan-2-ylmethyl)-2-(2-methyl-1H-indol-3-yl)-2-oxoacetamide