Task: Answer the multiple choice question.
Question: Which compound exhibits a -5.580\% 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 additional words.
Options:
a. CN1CCc2nc(SCC(=O)OC(C)(C)C)c(C#N)cc2C1
b. Nc1nc(-c2ccco2)nn1C(=O)c1ccc(Cl)cc1
Answer: a. CN1CCc2nc(SCC(=O)OC(C)(C)C)c(C#N)cc2C1
{#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#}
CN1CCc2nc(SCC(=O)OC(C)(C)C)c(C#N)cc2C1
CN1CCc2nc(SCC(=O)OC(C)(C)C)c(C#N)cc2C1
tert-butyl 2-[(3-cyano-6-methyl-7,8-dihydro-5H-1,6-naphthyridin-2-yl)sulfanyl]acetate