Task: Answer the MCQ question.
Question: Which drug exhibits a -0.554\% 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: COC(=O)c1ccc(NC(=O)CN2CCN(CC#N)CC2)cc1.O=C(O)C(=O)O
b: Cc1cccc(-n2c(O)c(C=NC34CN5CN(CN(C5)C3)C4)c(=O)[nH]c2=O)c1
c: C#Cc1ccc([C@H]2C=C(C(=O)O)O[C@@H](OCc3ccc(CO)cc3)C2)cc1
d: CN(C)c1nc2c(N)ncnc2n1[C@H]1O[C@@H](CO)[C@H](O)[C@@H]1O
e: CCN(N=Nc1cccc([N+](=O)[O-])c1)c1cccc([N+](=O)[O-])c1
Answer: e. CCN(N=Nc1cccc([N+](=O)[O-])c1)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_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#}
CCN(N=Nc1cccc([N+](=O)[O-])c1)c1cccc([N+](=O)[O-])c1
CCN(N=Nc1cccc([N+](=O)[O-])c1)c1cccc([N+](=O)[O-])c1
N-ethyl-3-nitro-N-[(3-nitrophenyl)diazenyl]aniline