Task: Answer the MCQ question.
Query: Which drug exhibits a 0.174% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] COn1c(=O)c(-c2ccc(F)cc2)[n+]([O-])c2ccccc21
[b] CC1Cc2ccccc2N1C(=O)c1ccc2nccnc2c1
[c] Cc1cccc(-n2c(O)c(/C=C3/C(c4ccccc4)=Nc4ccccc43)c(=O)[nH]c2=O)c1
Answer: b. CC1Cc2ccccc2N1C(=O)c1ccc2nccnc2c1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CC1Cc2ccccc2N1C(=O)c1ccc2nccnc2c1
CC1Cc2ccccc2N1C(=O)c1ccc2nccnc2c1
(2-methyl-2,3-dihydroindol-1-yl)-quinoxalin-6-ylmethanone