Task: Answer the MCQ question.
Question: Which compound exhibits a 20.959% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. O=C(CSc1ccc(-c2ccccn2)nn1)NCc1ccccc1
b. Cc1ccc(-n2c(Cc3cccc4ccccc34)n[nH]c2=S)c(C)c1
c. O=C(Nc1ccc(COc2ccccc2)cc1)c1cccc([N+](=O)[O-])c1
d. O=C(Nc1ccccc1-c1ccccc1)C1CCCC1
Answer: c. O=C(Nc1ccc(COc2ccccc2)cc1)c1cccc([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(Nc1ccc(COc2ccccc2)cc1)c1cccc([N+](=O)[O-])c1
O=C(Nc1ccc(COc2ccccc2)cc1)c1cccc([N+](=O)[O-])c1
3-nitro-N-[4-(phenoxymethyl)phenyl]benzamide