Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 6.298\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. OC(CCNCCc1c[nH]c2ccccc12)C(F)(F)Cl
b. NC(=S)N=Nc1c(O)[nH]c2c(Br)cc(Br)cc12
Answer: a. OC(CCNCCc1c[nH]c2ccccc12)C(F)(F)Cl
{#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#}
OC(CCNCCc1c[nH]c2ccccc12)C(F)(F)Cl
OC(CCNCCc1c[nH]c2ccccc12)C(F)(F)Cl
1-chloro-1,1-difluoro-4-[2-(1H-indol-3-yl)ethylamino]butan-2-ol