Task: Answer the multiple choice question.
Question: Which compound exhibits a 15.659\% 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(OC)c(NC2=CC(=O)C(=O)c3ccccc32)cc1Cl
b: COc1ccccc1C(=O)Nc1c2c(nn1-c1ccc([N+](=O)[O-])cc1)CS(=O)(=O)C2
Answer: b. COc1ccccc1C(=O)Nc1c2c(nn1-c1ccc([N+](=O)[O-])cc1)CS(=O)(=O)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#}
COc1ccccc1C(=O)Nc1c2c(nn1-c1ccc([N+](=O)[O-])cc1)CS(=O)(=O)C2
COc1ccccc1C(=O)Nc1c2c(nn1-c1ccc([N+](=O)[O-])cc1)CS(=O)(=O)C2
2-methoxy-N-[2-(4-nitrophenyl)-5,5-dioxo-4,6-dihydrothieno[3,4-c]pyrazol-3-yl]benzamide