Task: Answer the MCQ question.
Query: Which compound exhibits a 4.556\% 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: COc1cc(C(=S)N2CCCC2)ccc1OCc1ccc(C)cc1
b: CCCCC(=O)Nc1cccc2c1C(=O)N(c1ccccc1)C2=O
Answer: b. CCCCC(=O)Nc1cccc2c1C(=O)N(c1ccccc1)C2=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#}
CCCCC(=O)Nc1cccc2c1C(=O)N(c1ccccc1)C2=O
CCCCC(=O)Nc1cccc2c1C(=O)N(c1ccccc1)C2=O
N-(1,3-dioxo-2-phenylisoindol-4-yl)pentanamide