Problem statement: Answer the MCQ question.
Query: Which compound exhibits a -2.075\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. O=C(OCC(=O)N1CCCc2ccccc21)c1ccccc1[N+](=O)[O-]
b. O=C(CCCn1c(=S)[nH]c2ccccc2c1=O)N1CCOCC1
c. CCOc1cccc(/C=N/NC(=S)Nc2ccccc2[N+](=O)[O-])c1O
Answer: a. O=C(OCC(=O)N1CCCc2ccccc21)c1ccccc1[N+](=O)[O-]
{#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#}
O=C(OCC(=O)N1CCCc2ccccc21)c1ccccc1[N+](=O)[O-]
O=C(OCC(=O)N1CCCc2ccccc21)c1ccccc1[N+](=O)[O-]
[2-(3,4-dihydro-2H-quinolin-1-yl)-2-oxoethyl] 2-nitrobenzoate