Task: Answer the MCQ question.
Question: Which drug has a 10.598\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] NC(N)=NC(N)=Nc1ccc2ccccc2c1
[b] CCOc1ccc2nc3ccc4[nH]onc4c3c2c1
[c] Cc1ccc(N2C(=O)CC(Sc3ccccc3C(=O)O)C2=O)cc1
[d] COc1ccc(C(C)NC(=O)COc2ccc(Cl)cc2[N+](=O)[O-])cc1
Answer: b. CCOc1ccc2nc3ccc4[nH]onc4c3c2c1
{#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#}
9-ethoxy-3H-[1,2,5]oxadiazolo[3,4-c]carbazole