Task: Answer the multiple-choice question.
Question: Which compound exhibits a 12.019\% 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=c1[nH]c(/C=C/c2cccc(Br)c2)nc2ccccc12
[b] COC(=O)c1sc(NC(=O)COc2c(C)cccc2C)nc1C
[c] CCOc1ccc(Br)cc1S(=O)(=O)Nc1ccc(NC(=O)c2ccccc2F)cc1
[d] Cc1ccc2c(c1)c(N=Nc1ccc([N+](=O)[O-])cc1)c(O)n2C
Answer: d. Cc1ccc2c(c1)c(N=Nc1ccc([N+](=O)[O-])cc1)c(O)n2C
{#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#}
Cc1ccc2c(c1)c(N=Nc1ccc([N+](=O)[O-])cc1)c(O)n2C
Cc1ccc2c(c1)c(N=Nc1ccc([N+](=O)[O-])cc1)c(O)n2C
1,5-dimethyl-3-[(4-nitrophenyl)diazenyl]indol-2-ol