Task: Answer the MCQ question.
Question: Which compound exhibits a 8.716\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a) CCOCCCNc1cn[nH]c(=O)c1Cl
b) CCCn1c(N)c(N(CCOC)C(=O)c2ccc([N+](=O)[O-])cc2Cl)c(=O)[nH]c1=O
c) Clc1cccc(-c2nc(-c3ccccn3)no2)c1
Answer: a. CCOCCCNc1cn[nH]c(=O)c1Cl
{#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#}
CCOCCCNc1cn[nH]c(=O)c1Cl
CCOCCCNc1cn[nH]c(=O)c1Cl
5-chloro-4-(3-ethoxypropylamino)-1H-pyridazin-6-one