Task: Answer the MCQ question.
Question: Which compound has a 17.747% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: COc1ccc(OC)c(CN2CCN(C(=O)c3cccs3)CC2)c1.O=C(O)C(=O)O
b: COc1cc([N+](=O)[O-])c2nccnc2c1
c: CN(NC(=O)c1ccccc1)c1nc2ccccc2nc1C(F)(F)F
Answer: b. COc1cc([N+](=O)[O-])c2nccnc2c1
{#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#}
COc1cc([N+](=O)[O-])c2nccnc2c1
COc1cc([N+](=O)[O-])c2nccnc2c1
7-methoxy-5-nitroquinoxaline