Problem statement: Answer the multiple-choice question.
Question: Which drug has a 16.500\% 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] COc1ccc(Cc2nnc(N=Nc3c(O)[nH]c4ccc(Br)cc34)[nH]c2=O)cc1
[b] O=C(NNc1nc2c(F)cccc2s1)C1=COCCO1
Answer: b. O=C(NNc1nc2c(F)cccc2s1)C1=COCCO1
{#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=C(NNc1nc2c(F)cccc2s1)C1=COCCO1
O=C(NNc1nc2c(F)cccc2s1)C1=COCCO1
N'-(4-fluoro-1,3-benzothiazol-2-yl)-2,3-dihydro-1,4-dioxine-5-carbohydrazide