Task: Answer the MCQ question.
Question: Which compound has a 9.777\% 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 other words.
Options:
a. CCN(CC)c1ncc(C#N)c(N)n1
b. N#Cc1nc(Cc2cccc3ccccc23)oc1NCc1ccc(F)cc1
c. CC(C)CN(CC(C)C)S(=O)(=O)N1CCC(C(=O)NCc2ccc3c(c2)OCO3)CC1
d. COc1cccc(Oc2ccc(OC)cc2C(=O)O)c1
e. CC(=O)c1ccc(Cc2cnc(N)s2)cc1
Answer: a. CCN(CC)c1ncc(C#N)c(N)n1
{#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#}
CCN(CC)c1ncc(C#N)c(N)n1
CCN(CC)c1ncc(C#N)c(N)n1
4-amino-2-(diethylamino)pyrimidine-5-carbonitrile