Task: Answer the MCQ question.
Query: Which compound exhibits a -0.161\% 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, or c without using any additional words.
Options:
a: CCCC[n+]1ccn(-c2nc3c([N+](=O)[O-])cccc3n2C)c1.[I-]
b: COc1ccc(C(=O)C[n+]2cccc(C)c2C)cc1[N+](=O)[O-].[Br-]
c: CCOc1ccccc1NC(=O)CSc1nnc(-c2cnccn2)n1C
Answer: c. CCOc1ccccc1NC(=O)CSc1nnc(-c2cnccn2)n1C
{#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#}
CCOc1ccccc1NC(=O)CSc1nnc(-c2cnccn2)n1C
CCOc1ccccc1NC(=O)CSc1nnc(-c2cnccn2)n1C
N-(2-ethoxyphenyl)-2-[(4-methyl-5-pyrazin-2-yl-1,2,4-triazol-3-yl)sulfanyl]acetamide