Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a -16.800\% 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. CC(C)(O)C#Cc1ccc(C(=O)N2CCN(c3ccc([N+](=O)[O-])cc3)CC2)cc1
b. Cn1c(=O)c2c(nc(SCC(=O)O)n2Cc2cccc(C(F)(F)F)c2)n(C)c1=O
c. Cc1ccc(Cl)cc1NC(=O)COC(=O)CC(C)(C)C
d. CCOC(=O)c1sc2cccc(F)c2c1N
Answer: a. CC(C)(O)C#Cc1ccc(C(=O)N2CCN(c3ccc([N+](=O)[O-])cc3)CC2)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#}
CC(C)(O)C#Cc1ccc(C(=O)N2CCN(c3ccc([N+](=O)[O-])cc3)CC2)cc1
CC(C)(O)C#Cc1ccc(C(=O)N2CCN(c3ccc([N+](=O)[O-])cc3)CC2)cc1
[4-(3-hydroxy-3-methylbut-1-ynyl)phenyl]-[4-(4-nitrophenyl)piperazin-1-yl]methanone