Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 4.221\% 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 or b without using any other words.
Options:
a: CC(C)C(=O)Nc1c2c(nn1-c1ccc(F)cc1)CS(=O)(=O)C2
b: COc1ccc(/C=N/Nc2nonc2N)c(OC)c1
Answer: b. COc1ccc(/C=N/Nc2nonc2N)c(OC)c1
{#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#}
COc1ccc(/C=N/Nc2nonc2N)c(OC)c1
COc1ccc(/C=N/Nc2nonc2N)c(OC)c1
3-N-[(E)-(2,4-dimethoxyphenyl)methylideneamino]-1,2,5-oxadiazole-3,4-diamine