Problem statement: Answer the multiple-choice question.
Query: Which compound has a 21.922\% human ether-à-go-go related gene (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 other words.
Options:
a.) Cc1nn(Cc2ccccc2)c(Cl)c1C(=O)OCC#N
b.) Cc1ccc(O)c(N=Nc2ccc(S(=O)(=O)N3CCCC3)cc2)c1
c.) Cc1ccc(C)c(NC(=O)/C(C#N)=C/c2ccc(Sc3nncn3C)c([N+](=O)[O-])c2)c1
d.) O=C(C[n+]1ccccc1)Nc1ccccc1[N+](=O)[O-].[Cl-]
Answer: d. O=C(C[n+]1ccccc1)Nc1ccccc1[N+](=O)[O-].[Cl-]
{#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(C[n+]1ccccc1)Nc1ccccc1[N+](=O)[O-].[Cl-]
O=C(C[n+]1ccccc1)Nc1ccccc1[N+](=O)[O-].[Cl-]
N-(2-nitrophenyl)-2-pyridin-1-ium-1-ylacetamide;chloride