Task: Answer the MCQ question.
Question: Which drug exhibits a 19.708\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CCc1ccc(CNC(=O)Cn2nc(-c3ccccc3)ccc2=O)cc1
[b] Cc1ccc([N+](=O)[O-])cc1-c1ccc(/C=N/NC(=O)c2cc3c(ccc4ccccc43)o2)o1
Answer: b. Cc1ccc([N+](=O)[O-])cc1-c1ccc(/C=N/NC(=O)c2cc3c(ccc4ccccc43)o2)o1
{#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#}
N-[(E)-[5-(2-methyl-5-nitrophenyl)furan-2-yl]methylideneamino]benzo[e][1]benzofuran-2-carboxamide