Task: Answer the multiple-choice question.
Query: Which compound exhibits a 9.085\% 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(CN2CCCCC2C)cc1C
[b] CC1Sc2ccc(Cl)cc2-c2nc(N)ncc21
Answer: b. CC1Sc2ccc(Cl)cc2-c2nc(N)ncc21
{#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#}
CC1Sc2ccc(Cl)cc2-c2nc(N)ncc21
CC1Sc2ccc(Cl)cc2-c2nc(N)ncc21
9-chloro-5-methyl-5H-thiochromeno[4,3-d]pyrimidin-2-amine