Task: Answer the multiple-choice question.
Query: Which compound has a -21.700\% 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 or b without using any additional words.
Options:
a.) CCCCCCCN1CCC(=O)N(CCO)CC1
b.) COc1ccc(NC(=O)Cc2nnc(SCC(=O)Nc3nccs3)n2C)cc1
Answer: a. CCCCCCCN1CCC(=O)N(CCO)CC1
{#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#}
CCCCCCCN1CCC(=O)N(CCO)CC1
CCCCCCCN1CCC(=O)N(CCO)CC1
1-heptyl-4-(2-hydroxyethyl)-1,4-diazepan-5-one