Task: Answer the multiple-choice question.
Question: Which compound exhibits a 15.515\% 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(NNC(=O)c1ccc(NC(=O)c2ccccc2)cc1)c1ccccc1
b FC(F)(F)c1ccncc1-c1nnc(C2CCCCC2)o1
Answer: b. FC(F)(F)c1ccncc1-c1nnc(C2CCCCC2)o1
{#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)c1ccncc1-c1nnc(C2CCCCC2)o1
FC(F)(F)c1ccncc1-c1nnc(C2CCCCC2)o1
2-cyclohexyl-5-[4-(trifluoromethyl)pyridin-3-yl]-1,3,4-oxadiazole