Task: Answer the MCQ question.
Query: Which compound has a 1.690\% 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 other words.
Options:
a. CC(=O)N1CCN(c2ccc(NC(=O)c3cccc(C)c3)cc2)CC1
b. O=C(c1cc(-c2ccc(F)cc2)on1)N1CCCCCC1
c. CCC1CCC2(CC1)NNC(=S)NN2
d. N/C(=N\OC(=O)CC1CCCCC1)c1ccc(Br)cc1
e. CCOc1ccc(N2C(=O)CC(NCC#N)C2=O)cc1
Answer: c. CCC1CCC2(CC1)NNC(=S)NN2
{#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#}
CCC1CCC2(CC1)NNC(=S)NN2
CCC1CCC2(CC1)NNC(=S)NN2
9-ethyl-1,2,4,5-tetrazaspiro[5.5]undecane-3-thione