Problem statement: Answer the multiple-choice question.
Question: Which compound has a 2.104\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CCOC(=O)C1=C(C)Nc2nnnn2C1c1ccccc1Cl
b. N#CCCNS(=O)(=O)c1ccc(C(=O)OCC(=O)Nc2ccc3c(c2)OCO3)cc1
Answer: a. CCOC(=O)C1=C(C)Nc2nnnn2C1c1ccccc1Cl
{#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)C1=C(C)Nc2nnnn2C1c1ccccc1Cl
CCOC(=O)C1=C(C)Nc2nnnn2C1c1ccccc1Cl
ethyl 7-(2-chlorophenyl)-5-methyl-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate