Task: Answer the multiple-choice question.
Query: Which compound has a 16.198% 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. CCC(=O)NCCNC(=O)c1c(SC)nsc1SC
b. COc1nc(-c2cccc([N+](=O)[O-])c2)nc2ccccc12
c. COc1ccc(CN2CCC(C(=O)c3cccc(Cl)c3)CC2)cc1
Answer: b. COc1nc(-c2cccc([N+](=O)[O-])c2)nc2ccccc12
{#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#}
COc1nc(-c2cccc([N+](=O)[O-])c2)nc2ccccc12
COc1nc(-c2cccc([N+](=O)[O-])c2)nc2ccccc12
4-methoxy-2-(3-nitrophenyl)quinazoline