Task: Answer the MCQ question.
Question: Which compound exhibits a 9.486\% 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=C(Cn1cc([N+](=O)[O-])nc1[N+](=O)[O-])N1CCN(c2ccccc2)CC1
b. CCC1(C(=O)OC)NC(c2ccco2)C2C(=O)N(c3ccc(C)cc3)C(=O)C21
c. Cc1ccc(C(=O)NC(C)c2ccc(-n3ccnc3)cc2)c(C)c1
d. O=C(N/N=C/c1cccnc1)c1ccccc1[N+](=O)[O-]
Answer: a. O=C(Cn1cc([N+](=O)[O-])nc1[N+](=O)[O-])N1CCN(c2ccccc2)CC1
{#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=C(Cn1cc([N+](=O)[O-])nc1[N+](=O)[O-])N1CCN(c2ccccc2)CC1
O=C(Cn1cc([N+](=O)[O-])nc1[N+](=O)[O-])N1CCN(c2ccccc2)CC1
2-(2,4-dinitroimidazol-1-yl)-1-(4-phenylpiperazin-1-yl)ethanone