Task: Answer the MCQ question.
Question: Which drug exhibits a 12.619\% 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(NNc1ncnc2ccccc12)c1cccc(Cl)c1
b CCCS(=O)(=O)N1CCc2cc(OC)c(OC)cc2C1
Answer: b. CCCS(=O)(=O)N1CCc2cc(OC)c(OC)cc2C1
{#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#}
CCCS(=O)(=O)N1CCc2cc(OC)c(OC)cc2C1
CCCS(=O)(=O)N1CCc2cc(OC)c(OC)cc2C1
6,7-dimethoxy-2-propylsulfonyl-3,4-dihydro-1H-isoquinoline