Problem statement: Answer the MCQ question.
Question: Which drug exhibits a -19.876% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) Cc1ccc(CNC(=O)COC(=O)C2CCN(S(=O)(=O)c3cccs3)CC2)cc1
b) O=C(c1cc([N+](=O)[O-])ccc1Cl)N1CCc2ccccc21
Answer: b. O=C(c1cc([N+](=O)[O-])ccc1Cl)N1CCc2ccccc21
{#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(c1cc([N+](=O)[O-])ccc1Cl)N1CCc2ccccc21
O=C(c1cc([N+](=O)[O-])ccc1Cl)N1CCc2ccccc21
(2-chloro-5-nitrophenyl)-(2,3-dihydroindol-1-yl)methanone