Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 19.887\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. Cc1ccc(OCc2ccc(C(=O)Nc3nc4ccccc4n3C)o2)c([N+](=O)[O-])c1
b. CC(C)CC(=O)NC(=S)Nc1nc(-c2ccc(Cl)cc2)cs1
Answer: a. Cc1ccc(OCc2ccc(C(=O)Nc3nc4ccccc4n3C)o2)c([N+](=O)[O-])c1
{#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#}
Cc1ccc(OCc2ccc(C(=O)Nc3nc4ccccc4n3C)o2)c([N+](=O)[O-])c1
Cc1ccc(OCc2ccc(C(=O)Nc3nc4ccccc4n3C)o2)c([N+](=O)[O-])c1
[5-methyl-2-[[5-[(1-methylbenzimidazol-2-yl)carbamoyl]furan-2-yl]methoxy]phenyl]-oxido-oxoazanium