Task: Answer the multiple choice question.
Query: Which compound exhibits a 4.439\% 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. COC(=O)c1ccc(NC(=O)C2CCN(C(=O)c3ccc([N+](=O)[O-])cc3)CC2)cc1
b. Cc1sc2nc(SCC(=O)N3CCCC3)[nH]c(=O)c2c1C
c. O=c1c2ccccc2c2ccccc2c(=O)n1CC1CCCO1
Answer: b. Cc1sc2nc(SCC(=O)N3CCCC3)[nH]c(=O)c2c1C
{#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#}
Cc1sc2nc(SCC(=O)N3CCCC3)[nH]c(=O)c2c1C
Cc1sc2nc(SCC(=O)N3CCCC3)[nH]c(=O)c2c1C
5,6-dimethyl-2-(2-oxo-2-pyrrolidin-1-ylethyl)sulfanyl-3H-thieno[2,3-d]pyrimidin-4-one