Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 12.696\% 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, b, or c without using any other words.
Options:
a c1ccc(NC2=NCCS2)cc1
b Cc1cc(Br)c(NC(=O)CN2CC=C(c3ccccc3)CC2)c(Br)c1
c Cc1[nH]c2ccccc2c1C(=O)C(=O)N1CCC2(CC1)OCCO2
Answer: a. c1ccc(NC2=NCCS2)cc1
{#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#}
c1ccc(NC2=NCCS2)cc1
c1ccc(NC2=NCCS2)cc1
N-phenyl-4,5-dihydro-1,3-thiazol-2-amine