Task: Answer the multiple-choice question.
Query: Which drug has a 7.927\% 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 additional words.
Options:
a CCOC(=O)c1c(N)sc2c1CCN(CCc1ccccc1)C2
b CCOc1ccc2nc(COC(=O)c3cccc([N+](=O)[O-])c3)c(C(C)=O)[n+]([O-])c2c1
Answer: a. CCOC(=O)c1c(N)sc2c1CCN(CCc1ccccc1)C2
{#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#}
CCOC(=O)c1c(N)sc2c1CCN(CCc1ccccc1)C2
CCOC(=O)c1c(N)sc2c1CCN(CCc1ccccc1)C2
ethyl 2-amino-6-(2-phenylethyl)-5,7-dihydro-4H-thieno[2,3-c]pyridine-3-carboxylate