Task: Answer the multiple-choice question.
Query: Which compound has a 0.026\% 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 additional words.
Options:
a) COc1ccc(OC)c(NC(=O)C2CC(=O)N(c3ccccc3)C2)c1
b) CC1(c2ccccc2)CC(c2ccccc2)=Nc2nonc2N1
Answer: b. CC1(c2ccccc2)CC(c2ccccc2)=Nc2nonc2N1
{#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#}
CC1(c2ccccc2)CC(c2ccccc2)=Nc2nonc2N1
CC1(c2ccccc2)CC(c2ccccc2)=Nc2nonc2N1
5-methyl-5,7-diphenyl-4,6-dihydro-[1,2,5]oxadiazolo[3,4-b][1,4]diazepine