Task: Answer the multiple-choice question.
Question: Which compound exhibits a 9.428\% 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 other words.
Options:
a. CCOC(=O)C1C(=O)NCC2CCCC21
b. CN(C)S(=O)(=O)Nc1cc(F)cc(F)c1
c. COc1ccc(NC(=O)CCC(=O)c2ccc(C(C)C)cc2)cc1
d. O=C(O)c1ccc(-n2c(-c3ccccc3)n[nH]c2=S)cc1
Answer: a. CCOC(=O)C1C(=O)NCC2CCCC21
{#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)C1C(=O)NCC2CCCC21
CCOC(=O)C1C(=O)NCC2CCCC21
[C][C][O][C][=Branch1][C][=O][C][C][=Branch1][C][=O][N][C][C][C][C][C][C][Ring1][Branch1][Ring1][#Branch2]
4-ethoxycarbonyl-1,2,4,4a,5,6,7,7a-octahydrocyclopenta[c]pyridin-3-one