Task: Answer the MCQ question.
Query: Which compound exhibits a 16.696\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a.) C=Cc1ccc(C(=O)N2CCCC(CCC(=O)N3CCN(c4ccccn4)CC3)C2)cc1
b.) COc1cc(CO)c(OC)c([N+](=O)[O-])c1
c.) CCOc1ccc(C(=O)Nc2ccccc2-c2ccccc2)cc1Cl
d.) CC(C)CC(=O)N1CCN(Cc2ccc(Br)cc2)CC1
e.) COC(=O)c1cc(C(=O)N2CCOCC2)cc([N+](=O)[O-])c1
Answer: b. COc1cc(CO)c(OC)c([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_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#}
COc1cc(CO)c(OC)c([N+](=O)[O-])c1
COc1cc(CO)c(OC)c([N+](=O)[O-])c1
(2,5-dimethoxy-3-nitrophenyl)methanol