Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 4.499\% 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, d, or e without using any additional words.
Options:
a. CCCNCc1cc(OC)c(OCc2ccccc2)cc1Br.Cl
b. CCOC(=O)N1CCN(CC(=O)Nc2sccc2C#N)CC1
c. CNCCc1ccccc1
d. Cc1no[n+]([O-])c1COc1ccccc1/C=N/n1nnnc1N
e. CCOC(=O)CNC(=O)CSc1nc(NCc2ccccc2)nc(N(C)C)n1
Answer: b. CCOC(=O)N1CCN(CC(=O)Nc2sccc2C#N)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#}
CCOC(=O)N1CCN(CC(=O)Nc2sccc2C#N)CC1
CCOC(=O)N1CCN(CC(=O)Nc2sccc2C#N)CC1
ethyl 4-[2-[(3-cyanothiophen-2-yl)amino]-2-oxoethyl]piperazine-1-carboxylate