Task: Answer the MCQ question.
Query: Which drug exhibits a -6.962\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a) O=[N+]([O-])c1ccc(Cc2ccccn2)c([N+](=O)[O-])c1
b) Cn1cc(C(=O)c2cccc(Cl)c2)cc1C#N
c) Cc1cccc(N2CCN(C(=O)Cc3cn(C)c4ccccc34)CC2)c1C
d) Nc1ccc(C23CC4CC(CC(C4)C2)C3)cc1
Answer: a. O=[N+]([O-])c1ccc(Cc2ccccn2)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#}
O=[N+]([O-])c1ccc(Cc2ccccn2)c([N+](=O)[O-])c1
O=[N+]([O-])c1ccc(Cc2ccccn2)c([N+](=O)[O-])c1
2-[(2,4-dinitrophenyl)methyl]pyridine