Task: Answer the multiple-choice question.
Question: Which drug has a -13.503% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. COc1ccc(OCC(=O)NNc2c3ccccc3nc3ccccc23)cc1
b. O=C(CCC(=O)N1CCCCCC1)Nc1ccc([N+](=O)[O-])cc1
Answer: b. O=C(CCC(=O)N1CCCCCC1)Nc1ccc([N+](=O)[O-])cc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(CCC(=O)N1CCCCCC1)Nc1ccc([N+](=O)[O-])cc1
O=C(CCC(=O)N1CCCCCC1)Nc1ccc([N+](=O)[O-])cc1
[4-[[4-(azepan-1-yl)-4-oxobutanoyl]amino]phenyl]-oxido-oxoazanium