Task: Answer the MCQ question.
Query: Which drug exhibits a -2.620\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a.) CCOC(=O)c1cc2sccc2n1CC(=O)C(C)(C)C
b.) Cc1ccc2[nH]c(C)c(/C=N/Nc3nc4ccccc4s3)c2c1
c.) CC12CC3CC(C)(C1)CC(C(=O)NCc1cccnc1)(C3)C2
Answer: a. CCOC(=O)c1cc2sccc2n1CC(=O)C(C)(C)C
{#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)c1cc2sccc2n1CC(=O)C(C)(C)C
CCOC(=O)c1cc2sccc2n1CC(=O)C(C)(C)C
ethyl 4-(3,3-dimethyl-2-oxobutyl)thieno[3,2-b]pyrrole-5-carboxylate