Task: Answer the multiple-choice question.
Query: Which compound exhibits a 10.571\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: CCOc1ccc(NC(=O)C2CCCCN2S(=O)(=O)c2ccccc2)cc1
b: COc1ccc(CN2Cc3cccc4c3[C@@H](CC2=O)[C@H](O)[C@H](O)C4)cc1
c: COc1cc([N+](=O)[O-])ccc1NC(=O)C[n+]1cccc(C)c1.[Cl-]
d: Cc1c[n+](CC(=O)c2ccccc2)c(C)cn1.[Br-]
Answer: c. COc1cc([N+](=O)[O-])ccc1NC(=O)C[n+]1cccc(C)c1.[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#}
COc1cc([N+](=O)[O-])ccc1NC(=O)C[n+]1cccc(C)c1.[Cl-]
COc1cc([N+](=O)[O-])ccc1NC(=O)C[n+]1cccc(C)c1.[Cl-]
N-(2-methoxy-4-nitrophenyl)-2-(3-methylpyridin-1-ium-1-yl)acetamide;chloride