Task: Answer the multiple choice question.
Query: Which compound has a -6.585\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: CCOC(=O)CN1C(=O)S/C(=C/c2cc(C)n(C)c2C)C1=O
b: CCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccc(OC(F)F)cc1)n2CCN1CCOCC1
c: COc1ccc(S(=O)(=O)Nc2ccc(N(C)C(C)=O)cc2)cc1
Answer: b. CCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccc(OC(F)F)cc1)n2CCN1CCOCC1
{#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#}
CCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccc(OC(F)F)cc1)n2CCN1CCOCC1
CCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccc(OC(F)F)cc1)n2CCN1CCOCC1
8-[4-(difluoromethoxy)phenyl]-7-(2-morpholin-4-ylethyl)-3-propylpurine-2,6-dione