Task: Answer the multiple-choice question.
Question: Which drug has a 10.570\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) O=c1[nH]c2ccccc2nc1C(F)(F)F
(b) O=C(O)C1CC1c1ccc(Br)cc1
(c) C=CCn1c2ccccc2c(=O)c2cc(C#Cc3cc(OC)cc(OC)c3)ccc21
Answer: a. O=c1[nH]c2ccccc2nc1C(F)(F)F
{#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#}
O=c1[nH]c2ccccc2nc1C(F)(F)F
O=c1[nH]c2ccccc2nc1C(F)(F)F
3-(trifluoromethyl)-1H-quinoxalin-2-one