Task: Answer the multiple-choice question.
Question: Which drug exhibits a 7.414\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: FC(F)(F)c1ccccc1Nc1nccs1
b: CC(NC(=O)Cc1cccc2ccccc12)C(=O)N1CCC(=O)CC1
Answer: a. FC(F)(F)c1ccccc1Nc1nccs1
{#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#}
FC(F)(F)c1ccccc1Nc1nccs1
FC(F)(F)c1ccccc1Nc1nccs1
N-[2-(trifluoromethyl)phenyl]-1,3-thiazol-2-amine