Task: Answer the MCQ question.
Query: Which drug has a -34.040\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) CCOC(=O)c1sc2nc(SCC#N)n(CCCN3CCCC3=O)c(=O)c2c1C
b) CN1CCN(c2ccc(S(=O)(=O)Nc3ccccc3)cc2[N+](=O)[O-])CC1
Answer: a. CCOC(=O)c1sc2nc(SCC#N)n(CCCN3CCCC3=O)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(CCCN3CCCC3=O)c(=O)c2c1C
CCOC(=O)c1sc2nc(SCC#N)n(CCCN3CCCC3=O)c(=O)c2c1C
ethyl 2-(cyanomethylsulfanyl)-5-methyl-4-oxo-3-[3-(2-oxopyrrolidin-1-yl)propyl]thieno[2,3-d]pyrimidine-6-carboxylate