Problem statement: Answer the MCQ question.
Query: Which drug exhibits a -19.784% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) O=C(CCOc1ccccc1)Nc1cccc([N+](=O)[O-])c1
(b) Cc1cccc(NC(=O)Cn2c(O)c(N=NC(=O)c3ccncc3)c3ccccc32)c1
Answer: a. O=C(CCOc1ccccc1)Nc1cccc([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_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(CCOc1ccccc1)Nc1cccc([N+](=O)[O-])c1
O=C(CCOc1ccccc1)Nc1cccc([N+](=O)[O-])c1
N-(3-nitrophenyl)-3-phenoxypropanamide