Task: Answer the MCQ question.
Query: Which compound has a 10.456\% 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 O=C(CSc1nc2ccsc2c(=O)n1CC1CCC(C(=O)O)CC1)c1ccc(Cl)cc1
b COc1ccccc1CN=C1Nc2ccccc2CS1
Answer: b. COc1ccccc1CN=C1Nc2ccccc2CS1
{#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#}
COc1ccccc1CN=C1Nc2ccccc2CS1
COc1ccccc1CN=C1Nc2ccccc2CS1
N-[(2-methoxyphenyl)methyl]-1,4-dihydro-3,1-benzothiazin-2-imine