Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 16.511\% human ether-à-go-go related gene (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]cnc2ccsc12
b.) FC(F)(F)c1nnc2ccc(-n3ccnc3)nn12
c.) Cn1c(N)c(Br)c(-c2ccc(F)cc2)c(C#N)c1=O
Answer: a. O=c1[nH]cnc2ccsc12
{#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]cnc2ccsc12
O=c1[nH]cnc2ccsc12
3H-thieno[3,2-d]pyrimidin-4-one