Task: Answer the multiple-choice question.
Question: Which compound exhibits a 6.325\% 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] COc1cc([N+](=O)[O-])ccc1NC(=O)CN1CCc2cc(OC)c(OC)cc2C1
[b] Cc1ccc(N2C(=O)CC(NNC(=O)Cc3ccc(F)cc3)C2=O)cc1Cl
Answer: a. COc1cc([N+](=O)[O-])ccc1NC(=O)CN1CCc2cc(OC)c(OC)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#}
COc1cc([N+](=O)[O-])ccc1NC(=O)CN1CCc2cc(OC)c(OC)cc2C1
COc1cc([N+](=O)[O-])ccc1NC(=O)CN1CCc2cc(OC)c(OC)cc2C1
2-(6,7-dimethoxy-3,4-dihydro-1H-isoquinolin-2-yl)-N-(2-methoxy-4-nitrophenyl)acetamide