Task: Answer the multiple choice question.
Question: Which compound has a 23.691\% 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 additional words.
Options:
a CCOc1ccccc1C(=O)N1CCCCC1C
b CCOCC(=O)Nc1cc(-c2cn3cccnc3n2)ccc1C
c O=C1c2ccccc2C(=O)N1OCc1c(F)cccc1Cl
d Cc1ccccc1NC(=O)CNc1ccccc1N1CCCCC1
Answer: a. CCOc1ccccc1C(=O)N1CCCCC1C
{#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#}
CCOc1ccccc1C(=O)N1CCCCC1C
CCOc1ccccc1C(=O)N1CCCCC1C
(2-ethoxyphenyl)-(2-methylpiperidin-1-yl)methanone