Task: Answer the MCQ question.
Question: Which compound exhibits a 3.184\% 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. CCCOC(=O)c1ccc(NS(=O)(=O)c2cccs2)cc1
b. c1ccc(-c2cn3nc4c(nc3n2)CCCC4)cc1
c. Nc1nc(-c2cccc(F)c2)cs1
d. CC(=O)c1c(C)[nH]c(C(=O)Nc2cccc(S(=O)(=O)N3CCCCC3)c2)c1C
Answer: b. c1ccc(-c2cn3nc4c(nc3n2)CCCC4)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#}
c1ccc(-c2cn3nc4c(nc3n2)CCCC4)cc1
c1ccc(-c2cn3nc4c(nc3n2)CCCC4)cc1
2-phenyl-6,7,8,9-tetrahydroimidazo[1,2-b][1,2,4]benzotriazine