Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a -1.569\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a) CCOC(=O)c1sc2nc(SCC#N)n(CC3CCCO3)c(=O)c2c1C
b) Cc1nnc(NC(=O)CSc2ccc(-c3ccco3)nn2)s1
c) CC(C)CNC(=O)CSc1ccc(Cl)cc1
Answer: a. CCOC(=O)c1sc2nc(SCC#N)n(CC3CCCO3)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#}
CCOC(=O)c1sc2nc(SCC#N)n(CC3CCCO3)c(=O)c2c1C
CCOC(=O)c1sc2nc(SCC#N)n(CC3CCCO3)c(=O)c2c1C
ethyl 2-(cyanomethylsulfanyl)-5-methyl-4-oxo-3-(oxolan-2-ylmethyl)thieno[2,3-d]pyrimidine-6-carboxylate