Task: Answer the multiple-choice question.
Query: Which drug has a 12.879\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: COc1ccc(-c2cccc(C(=O)N3CCOCC3)c2)cc1
b: CCn1c(CCNS(=O)(=O)c2ccccc2Br)nnc1SC
c: CCc1ccc[n+](-c2[nH]c(=O)sc2/C=N/N=C(\[O-])c2cccnc2)c1
Answer: c. CCc1ccc[n+](-c2[nH]c(=O)sc2/C=N/N=C(\[O-])c2cccnc2)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#}
CCc1ccc[n+](-c2[nH]c(=O)sc2/C=N/N=C(\[O-])c2cccnc2)c1
CCc1ccc[n+](-c2[nH]c(=O)sc2/C=N/N=C(\[O-])c2cccnc2)c1
(NE,3Z)-N-[[4-(3-ethylpyridin-1-ium-1-yl)-2-oxo-3H-1,3-thiazol-5-yl]methylidene]pyridine-3-carbohydrazonate