Task: Answer the multiple-choice question.
Question: Which compound exhibits a 6.180\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a) N#Cc1cccc(NC(=O)CCn2ccnc2)c1
b) CCOc1ccccc1NC(=O)C(C)CC
c) Cc1ccc(OC(=O)C(C)c2cccc(C(=O)c3ccccc3)c2)cc1
d) Cn1c(COc2nnc(-c3ccc(Cl)cc3)c3ccccc23)nc2ccccc21
e) CCOc1ccc2[nH]c(=O)c(CN(Cc3nnnn3CCc3ccccc3)CC3CCCO3)cc2c1
Answer: b. CCOc1ccccc1NC(=O)C(C)CC
{#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)C(C)CC
CCOc1ccccc1NC(=O)C(C)CC
N-(2-ethoxyphenyl)-2-methylbutanamide